rm # is the abbreviation remove (remove), the command is a command for deleting
Example: rm temp.txt # temp.txt delete files belonging to the current user.
Example: Ask before rm -i temp.txt # temp.txt delete files. Select general requirements [y / n]
Example: rm -f temp.txt # forcibly removed.
Example: rm -r temp # recursively delete files in the directory, subdirectory, and directory.
Example: RM -rf the TEMP # recursion, forced to delete files in the directory, subdirectory, and directory
Note: rm -rf delete command to be careful with caution, Once deleted, files can not be recovered.