Batch management execution

Report the current system process status

Show process information

Convert GNU-C code to ANSI-C code

Format and output the results.

Convert text files into a format suitable for printing

Close ppp connection

Shut down the Linux system. The shutdown record will be written to the /var/log/wtmp log file.

Removes a directory from the directory stack.

Reports the memory mapping relationship of a process

You can kill a process by its name

Execute commands as other users