Output the file contents in reverse order of characters

Exit from the function and return a value.

Restore the security context of a file

The operation performed is opposite to the dump instruction.

Command to set the size of the terminal window

Report format to output disk space limit status

Synchronize yum repository to local directory

Modify the scheduling priority of a running process

Change file names in batches using string replacement

Instructs the printing system to reject print jobs destined for the specified destination printer

Restart the running Linux operating system

Mark a shell variable or function as read-only