How to delete a file or a directory in Linux / UNIX operating system using command line?
rm command is used to remove a file or directory under Linux/Unix like operating system
rm [OPTION]… FILE…
1.) Delete/Remove a single file
This command will ask for your confirmation to delete the file. Press y for yes and n for no.
2.) Delete Empty Directory
3.) Delete Directory with all subdirectories and files
rm -r directoryname
Be careful use -r option only when you want to delete all files and subdirectories under a directory.
If you don’t want to receive a confirmation for each file, then use the following command instead.
rm -rf directoryname
In the above example, the “directoryname” directory, along with all files and subdirectories, would be deleted without any prompt or message.