Linux是一種自由和開放原始碼的作業系統，它在伺服器和個人電腦上都廣泛使用。 Linux指令是與該作業系統一起提供的工具，用於完成各種任務。
Open source compression software with extremely high compression ratio.
Apache server performance testing tool
Instructs the printing system to accept print jobs destined for the specified destination printer
A text search tool that is easier to use than grep
An upgraded version of ack, written in C language, faster and more user-friendly
Define or display an alias.
Apache server front-end control tool
Package management tool under Alpine Linux
Find string in whatis database
APT package management tool in Debian Linux distribution
Managing package keys in Debian Linux systems
Tool for sorting package index files under Debian Linux
Software package management tools in Debian Linux system
Create or modify a backup file, or extract files from a backup file
Displays the hardware architecture type of the current host
Used to create and manage .arj compressed packages
The arp command is used to display and modify IP to MAC translation tables
Collect free ARP information
Test the network by sending ARP protocol packets
Manage ARP packet filtering rule table
Monitor ARP records on the network
assembly language compiler
Execute a task at a specified time
Tools for monitoring Linux system resources and processes
List the current user's at task list
Delete the specified task in the pending task queue
Programming language for text and data processing
Multi-threaded download tool
Find corrupted blocks on disk
base64 encode/decode files or standard input and output
Print the base name of a directory or file
Execute scheduled tasks when the system is not busy
Arithmetic operations precision arithmetic tools
Move foreground terminal jobs to run in the background
Display or set keyboard keys and their associated functions
Check the file system type, LABEL, UUID and other information of the block device
Calling the block device control program from the command line
Show details for a given module
End the for, while or until loop.
Execute bash built-in commands.
Can decompress compressed files in .bz2 format.
Command is used to interrupt the FTP connection and end the program
Without decompressing, directly view the specified .bz2 file
Compare files in two compressed packages
Directly compare the differences between files in two .bz2 compressed packages
Use regular expressions to search for files in .bz2 compressed packages
Compress files into bz2 format
Recover files in damaged .bz2 compressed packages
Enhanced .bz2 compressed package viewer
View the contents of a bzip2-compressed text file
Display the current calendar or the calendar for a specified date
Cancel an existing print job
Concatenate multiple files and print to standard output.
Switch the user's current working directory.
Disc burning function command under Linux system
Modify the validity period of account and password
Used to change file attributes
Modify the security context of an object (file)
Used to change the information displayed by the finger command
Used to change the group to which a file or directory belongs
Check or set various services of the system
Used to change the permissions of a file or directory
Used to change the owner or group of a file or directory
Tool for updating user passwords in batches
Change the root directory to the specified destination directory
Used to change the shell used when logging into the system
Check if the CRC of the file is correct
Clear any information on the current screen terminal
Used to adjust RTC time
Detect the time difference between two Linux hosts
Compare two files for any differences
Filter control characters
Delete specified columns from file
Format output file by columns
Compare two sorted files line by line.
Call and execute the specified command
Compress data files using Lempress-Ziv encoding
Output the connected terminal type
End this loop and continue executing the next for, while or until loop.
Convert old quota files to new format
Copy a source file or directory to a destination file or directory
Utility program used to create and restore backup files
Create YUM warehouse
Submit and manage users' tasks that need to be performed periodically
Split a large file into smaller fragments
Used to connect to another system host
Stop specified printer
Start the specified printer
File transfer tool that works from the command line using URL rules
Concatenate files and print to the standard output device
Display or set system time and date
arbitrary precision calculator
Copy files and convert and format the contents of the original files
Declare variables and set or display their values and properties.
Analyze dependencies of loadable modules
Display disk related information
Dynamically obtain or release IP addresses
Run DHCP server
Relaying DHCP and BOOTP requests can be provided using the dhcrelay command
Compares the differences between two given files
Compare the differences between 3 files
A bar chart showing the output of the diff command
Domain name query tool
Set the color used by the ls command when displaying directories or files
Remove non-directory parts of filenames
Display directory stack.
Removes the job from the current shell.
Display Linux system startup information
Get information about hardware under Linux system
A new generation of RPM package manager
Domain name that defines the FQDN name in the DNS system
Containerization technology that packages an application and its dependencies into a portable container so that it can run in different environments
Display and set the system's NIS domain name
Convert DOS format text files to Unix format
Software package management tools under Debian Linux
Create and manage a redirect list in Debian Linux
Ask questions before installing packages in Debian Linux
Query tool for software packages in Debian Linux
Reconfigure an already installed software package in Debian Linux
Split large software packages into small packages in Debian Linux
Overriding file ownership and mode in Debian Linux
Package triggers under Debian Linux
Install, create and manage software packages on Debian Linux systems
Display and clear the contents of the directory stack
General system resource statistics tool
Shows disk space usage for each file and directory
Used to back up ext2 or ext3 file systems
Used to check the integrity of the second extended file system
Set the volume label of the second extended file system
Output the specified string or variable
Single line plain text editor
Used to edit disk quotas for specified users or workgroups
Find the specified string in the file
Used to exit removable equipment
WWW browser with plain text interface
Plain text mail client program
Powerful full-screen text editor
Enable or disable shell builtins
Display environment variables that already exist in the system
Display or modify the configuration information of the Ethernet card
Start the ex editing mode of vim editor
Exit the current shell.
Convert file's tab characters to whitespace characters
Set export attributes for shell variables or functions.
Manage NFS shared file system list
An expression calculation tool
The return status is failure.
Display the commands in the history list or modify the specified history command and execute it.
View disk usage and disk partitions
Move background jobs to the foreground terminal to run
Search a file for a text string
The string is converted into "characters and characters".
Used to detect the type of a given file
Find files in the specified directory
Tag or UUID lookup file system
Used to find and display user information
New firewall software on Linux, a tool similar to iptables
A better shell than bash
After reading the file, optimize the processing and output
Control the screen width occupied by file content when output
fping checks whether the host exists
Show memory usage
The fsck (English spelling: file system check) command checks and attempts to repair errors in the file system
Used to set file system related functions
Display the number of users currently logged in via FTP
Shut down the FTP server at the specified time
Connection status of proftpd server
Display information about each current ftp session
Identify a process using a file or file structure
C/C++ based compiler
Tools for testing program code coverage
Powerful program debugger
Get details of Linux kernel modules
Displays the current SELinux application mode, whether to force, execute or disable
Query a namespace in a DNS name server
Query the Boolean values of each rule in the SElinux policy
It is currently the most advanced distributed version control system in the world.
Management tool for workgroup files under Linux
Tools for signing, checking, encrypting or decrypting
Provides mouse event handling in text mode
Powerful text search tool
Used to create a new workgroup
Used to delete the specified workgroup
Manage members of the user's primary group
Change group ID or name
Prints the name of the group to which the specified user belongs.
Used to verify the integrity of group files
The projection password used to open the group
Projection password used to close the group
Command line shell tool for multi-boot program grub
Generate grub.cfg configuration file.
Set the system default startup kernel
Used to decompress files
Used to compress executable files
Used to compress files
Shut down the running Linux operating system
hcitool is a Linux command line tool for managing and debugging Bluetooth devices. It can be used to scan surrounding Bluetooth devices, connect to Bluetooth devices to send commands and data packets, etc.
Display and set hard disk parameters
Display the beginning of the file.
This command is a bash built-in command and is used to display help information for bash built-in commands.
Show file hexadecimal format
Display or operate the history list.
Commonly used analytical domain name query tools
Displays the hexadecimal numeric identifier of the current host.
Display and set the system's hostname
Query or change the system hostname
Test network and host security
Apache server built-in tools
[Non-internal command] An interactive process viewer that can dynamically observe system process status
apache server creates password authentication file
Display and set hardware clock
Convert file encoding
Print real and valid user and group information
Set network interface parameters in Linux
Configure and display network parameters of Linux system network card
Disable specified network interface
Statistics network interface traffic status
A real-time traffic monitoring tool
Activate the specified network interface
Format source files in C language
Help command in info format under Linux
The init process is the parent process of all Linux processes
Asynchronous file system monitoring mechanism
Load the given module into the kernel
Install or upgrade software or back up data
Monitor system input and output device and CPU usage
Tools for monitoring disk I/O usage
Network configuration tool
Restore ip6tables table
Save ip6tables table configuration
Firewall software in linux
Simple IP address calculator
Delete a message queue, semaphore set, or shared memory identifier
Analyzing message queue shared memory and semaphores
Network performance testing tools
Restore the configuration of the iptables table
Back up iptables table configuration
Commonly used firewall software on Linux
Monitor network card traffic in real time
Display the working status of iptables
Manage iSCSI connections
Check the file for spelling errors
Editor mainly used for editing code
Displays the status of the job.
Powerful plain text editor
Concatenate lines with the same content in specified fields in two files
Retrieving systemd logs is a tool only available in CentOS 7.
A flexible and lightweight command line JSON processor
whois client service
Print the current major version number of the kernel
Boot from the currently running kernel to a new kernel
Send a signal to the process.
Kill a group of processes using their name
List information about current and past users who have logged into the system
List information about users who failed to log in to the system
Display the latest login information of all users in the system
Concatenate object files into executable programs
Dynamic link library management commands
Print a list of shared libraries that a program or library file depends on
Split screen to flip up and down pages to browse file contents
Simple calculator that performs arithmetic expressions.
Excellent file client program
Call the lftp command to download the specified file
Compress or decompress lzh format files
Install the core and load the boot management program
Used to create links to files
Display network status of Linux system
Define local variables within the function.
A file search tool that is easier to use than find
Record corresponding entries in the system log
Log in to the system or switch user identities
Print the name of the current terminal login user.
Exit the currently logged in shell
System log rotation, compression and deletion
Save the output of the command to the specified log file
Customizable and pluggable log monitoring system
Display any line in the file that begins with the specified string
Setting up and controlling loop devices
Print a file or modify a queued print job
Configure printers and classes in the CUPS suite
Command line printer control program
Display status information for print jobs in the print queue
Send the file to the specified printer for printing
Delete a print job from the print queue
Display status information of printers in CUPS
Show directory contents list
View the second extended file system attribute of a file
Show release version information
List block device information
Display information about the CPU architecture
Show modules loaded into the system
Display a list of all files currently open on the Linux system `lsof -p pid`
Display all PCI bus information of the current host
Display the USB device list information of this machine
Used to track the process calling library functions
Logical volumes used to create LVM
Show logical volume properties
Extend logical volume space
Shrink logical volume space
Delete the specified LVM logical volume
Adjust logical volume space size
Scan logical volumes
Text-only web browser
Send and receive emails from the command line
Display the queue of emails to be sent
Show the status of incoming mail
GNU engineering compilation tools
View help for commands in Linux
Reads lines from standard input and assigns them to an array.
Tool program for calculating and verifying file message digests
Set write permissions for the current terminal
Tools for configuring network device negotiation methods
Can create a boot disk for the current system
Tools for generating self-signed certificates
used to create directories
Create "etc2/etc3" file system on disk partition
Used to create a Linux file system on the device
Create an image file to be loaded into the ramdisk
Create ISO 9660 image file
Create character device files and block device files
Create and set up SWAP swap partition
Create temporary files for use by shell scripts
Mode testing tools in DRM/KMS driver libdrm
Automatically handle loadable modules
Display file contents, one screen at a time
Used to mount files outside the Linux system
Display the status of each available CPU
Show commands supported by mtools
`mtr` combines the functions of `traceroute` and `ping` programs and is a simple network diagnostic tool
Used to rename files or directories
MySQL server client tools
MySQL server management client
MySQL database backup tool
Import data into MySQL server using command line
Display database related information in MySQL
Use the named-checkzone command to check and convert the zone file validity. The zone name and zone file name must be specified.
Character terminal text editor
nc is the swiss army knife of networking tools
Is an enhanced FTP tool
Tool to display system information with release logo
Network traffic monitoring tool under the terminal
View network system status information in Linux
Used for batch processing to create multiple commands at once
List the working status of NFS clients and servers
Convenient packet matching and display tool
Adjust the priority level of program execution
Display the domain name of the host NIS
Add line numbers to each file.
Display the symbol table of a binary object file
Network detection and security audit
Address configuration tool
Run the program to ignore pending signals
Deny user login to the system
Prints the number of available processor units.
Tool for querying domain name DNS information
Set date and time using Network Timing Protocol (NTP)
Centrally manage various services of the system
Show binary file information
Output the bytes encoded in octal, hexadecimal and other formats of the file
Powerful Secure Sockets Layer cryptographic library
The default package manager used in Arch Linux systems and their derivatives
Disk partitioning and partition resizing tools
Reread partitions without rebooting
Used to allow users to change their passwords
Merge multiple files into column queues
Install patches for open source software
Check for non-portable parts of the file
perl language interpreter
PF firewall configuration commands
Find and list qualified process IDs (PIDs) in the currently running process based on the information given by the user
PHP language command line interface
Find the process ID number of the process with the specified name
Monitor the system resource usage of processes
Can be used to decompress files, an upgraded version of gzip's parallel implementation
Test network connectivity between hosts (ipv4)
Test network connectivity between hosts (ipv6)
A package manager in the Python programming language for installing and managing third-party Python modules
Execute commands as other users
You can kill a process by its name
Reports the memory mapping relationship of a process
Removes a directory from the directory stack.
Shut down the Linux system. The shutdown record will be written to the /var/log/wtmp log file.
Close ppp connection
Convert text files into a format suitable for printing
Format and output the results.
Convert GNU-C code to ANSI-C code
Show process information
Report the current system process status
Batch management execution
Display stack traces for each process
Show the derivation relationship between processes in the form of a tree diagram
Adds the directory to the top of the directory stack.
Display the progress information of the command currently executed on the command line, pipeline viewer
Modify physical volume attributes
Detect consistency of LVM metadata of physical volumes
Initialize physical hard disk partition into physical volume
Display the properties of a physical volume
Delete an existing physical volume
Output physical volume information report
Scan the physical volume list of all hard drives in the system
Used to verify the integrity of the content and format of system certification files
The projection password used to enable the user
Displays the absolute path of the current working directory.
Used to display the current working directory of the specified process
The projection password used to turn off the user
Display disk used space and limits
Check disk usage and limits
Turn off the disk quota function of the specified file system in the Linux kernel
Activate the disk quota function of the specified file system in the Linux kernel
Run-level service configuration tool under Debian Linux
Makes file copying between two Linux hosts easier
Read variable value from keyboard
Used to display information about elf format files
Mark a shell variable or function as read-only
Restart the running Linux operating system
Instructs the printing system to reject print jobs destined for the specified destination printer
Change file names in batches using string replacement
Modify the scheduling priority of a running process
Synchronize yum repository to local directory
Report format to output disk space limit status
Command to set the size of the terminal window
The operation performed is opposite to the dump instruction.
Restore the security context of a file
Exit from the function and return a value.
Output the file contents in reverse order of characters
Remotely execute commands under Linux system
Log in to the remote Linux host from the current terminal
Used to delete given files and directories
Used to delete empty directories
Removes the specified kernel module from the running kernel
Display and set the static routing table in Linux
RPM package management tool
Convert RPM package to cpio format file
Create RPM binary packages and source packages
Initialize and rebuild the RPM database
Query software package information from RPM database
Signature management tools using RPM packages
Verify correctness of installed RPM packages
Connect to the remote host and execute commands
Remote data synchronization tool
Print the running level of the current Linux system
System running status statistics tool
Encrypted copy of files between local host and remote host
Used for command line terminal switching
Log all operations of a terminal session
Replay all actions of a terminal session
Powerful streaming text editor
Query how many related rules the SELinux policy provides
Security context query and modification of default directory
Famous email servers
Print numbers starting from the first digit to the last digit in the specified increment
Utilities for controlling system services
Query the rule details of the SELinux policy
Display or set shell properties and shell variables
Set file access control list
Tools for querying and configuring PCI devices
Modify the Boolean values of various rules in the SElinux policy
Run the program in a new session
Server-side program of sftp protocol
interactive file transfer program
shell command interpreter
Used to calculate the SHA-256 hash of a file
Move position parameters.
Display and set shell operation options
Display information loaded by NFS server
Generate random permutations.
Command used to execute system shutdown
Send a signal to the selected process to freeze the process
Real-time display of kernel slab memory cache information
Delay the current action for a period of time
Command to find a file or directory
Smartmontools is a hard drive detection tool that is implemented through SMART (Self Monitoring Analysis and Reporting Technology) technology that controls and manages hard drives.
Interactively access samba server
samba user and password management tool
Sort all lines in a text file.
Reads and executes commands from the specified file in the current shell environment.
Test the server's external network speed under the command line
Spell check the file
Split files of any size
squid server daemon
Client management tool for squid server
Socket statistics are easier to use than netstat. Another tool included with the iproute2 package allows you to query socket statistics.
Add private key to ssh-agent's cache
ssh key manager
Install the local ssh public key file to the account corresponding to the remote host
Generate, manage and convert authentication keys for ssh
Tools for collecting host public keys
Client connection tools in the openssh suite
Server daemon in openssh software suite
Interaction-free SSH login tool.
Used to start X Window
Used to display status information of files
Tracing system calls and signals
Find a printable string in an object file or binary file
Modify relevant settings of the terminal command line
Used to switch the current user identity to another user identity
Execute commands as another identity
Calculate the checksum and display block number of the file
Process manager tool for configuring background services/resident processes
Suspends the execution of the shell.
Close the specified swap space
Activate swap space in Linux system
Used to force changed content to be written to disk immediately
Dynamically modify the kernel's operating parameters
System default log daemon
System Service Manager Directives
Displays information about devices in the system based on buses, classes, and topology
Concatenate multiple files and print line-by-line reverse to standard output.
Display the last few lines of the specified file on the screen
Displays the last few lines of the specified file on the screen, usually used for trace output of log files.
Let users chat with other users
Save many files together to a single tape or disk archive and restore the required files individually from the archive.
A sniffer tool, a packet capture tool and sniffer on Linux
Resend the package saved in PCAP file for performance or functional testing
Reads data from standard input and redirects to standard output and files.
Switch the run level of the currently running system
Log in to the remote host and management (test whether the ip port is connected)
Name temporary files in shell
Execute conditional expression.
Use TFTP protocol to transfer files between the local machine and tftp server
Count the total time spent on a given command
Used to set or query system time, date, time zone and other configurations in Linux.
Displays the accumulated process time.
Display system load status
Tmux is an excellent terminal reuse software, similar to GNU Screen, but comes from OpenBSD and is licensed by BSD.
Display or manage running programs
Create new empty file
Initialize and operate terminal sessions through the terminfo database
Replace, compress and delete characters
Track the routing information passed by the destination host
Display the path between packets and hosts
Capture signals and other events and execute commands.
Treemap listing the contents of a directory
The return status is success.
Displays the file name of the terminal device connected to the current standard input.
Displays the type of the specified command.
Controlling the resources of shell programs
Displays or sets the permission mask for creating files.
Used to unmount a mounted file system
Remove aliases set by alias
Print system information.
Decompress the compressed package created by the arj command
Used to decompress .Z files
Convert file's whitespace characters to tabs
Show or ignore duplicate rows.
The system calls the function unlink to delete the specified file.
Delete function prototypes in C language source code files
Unzip rar file command to extract files from rar compressed package
Delete the specified shell variable or function.
Used to decompress archives compressed by the zip command
Create or update the database files necessary for the slocate command
View Linux system load information
New system user created
Used to delete a given user and files related to the user
Used to modify the user's basic information
Operate the specified network interface when allowed
Print the names of all logged-in users on the current host.
UUCP file transfer service program
Command to process incoming files
Transfer files to the remote UUCP host
VirtualBox software mounts VDI partition file tool
Modify volume group properties
Convert volume group metadata format
Used to create LVM volume groups
Display LVM volume group information
Add a physical volume to a volume group
Remove a physical volume from a volume group
Used by users to delete LVM volume groups
Use the vgrename command to rename the volume group name.
Scan and display volume groups in the system
Show virtual memory status
Displays the volume name of the specified ISO-9660 format device
Display the information of users currently logged into the system
Wait for the process to finish executing and return
Output information to all currently open terminals on the system
The output results of the command can be output to the standard output device, which is mostly used to execute commands periodically/scheduledly.
Count the number of bytes, words, and lines of a file
Linux system download file tool
Query what function a command performs
Find binary programs, code and other related file paths
Find and display the absolute path of the given command
Displays information about all currently logged in users.
Print the name corresponding to the currently valid user ID
Send information to the specified login user terminal
A filter for passing arguments to other commands
Display and edit the authentication information used to connect to the X server
Manage X pasteboard
Control which X clients can be displayed on the X server
It is the initialization program of X-Window system under Linux
List all defined atomic components within the X server
List client applications on the monitor
List fonts used by X Server
X Window System Configuration Management Tool
Utility tool for setting user preferences in X-Window system
POSIX platform development tools with high compression rates
Print the specified string repeatedly
Display the domain name of the host's NIS
RPM-based package manager
Display the contents of the files in the compressed package
Force the .gz suffix to be added to gzip format compressed files
Can be used to decompress files
Used to list compressed file information
将.Z压缩包重新转化为gzip命令压缩的.gz压缩包
Reconvert the .Z compressed package into a .gz compressed package compressed by the gzip command
