Linux Command Reference

Linux is a free and open source operating system widely used on both servers and PCs. Linux commands are tools that come with this operating system to perform various tasks.

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$join

Concatenate lines with the same content in specified fields in two files

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$joe

Powerful plain text editor

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$jobs

Displays the status of the job.

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$jed

Editor mainly used for editing code

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$ispell

Check the file for spelling errors

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$iscsiadm

Manage iSCSI connections

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$iptstate

Display the working status of iptables

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$iptraf

Monitor network card traffic in real time

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$iptables

Commonly used firewall software on Linux

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$iptables-save

Back up iptables table configuration

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$iptables-restore

Restore the configuration of the iptables table

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$iperf

Network performance testing tools