1. To remove a file from your current directory:
$ rm prog.c
This removes the file prog.c from the current directory
2. To remove a file which you don't have write permission for:
$ rm tmp/intro.txt rm: override protection 444 for intro.txt?y $
This removes the file intro.txt from the subdirectory tmp. Because you don't have write permission for this file you are asked to confirm that you want to remove it. Entering a "y" removes the file, any other response leaves the file alone.
3. To remove a file using a pathname:
$ rm book/chapt1/sect1
This removes the file sect1 from the subdirectory book/chapt1
3. To remove files using