How to use rm command in linux

    Command is - rm filename.extensionname
     rm file1.txt

     rm does not remove directory but you can remove list of files in a directory by this command
     rm -r directoryname.  (-r recursive method)
     rm -r Music.  This command will remove all the files in the directory Music.

     You cannot remove files with rm if you do not have write permission on the files.