In computing, del (or erase) is a command in command-line interpreters (shells) such as COMMAND.COM, cmd.exe, 4DOS, NDOS, 4OS2, 4NT and Windows PowerShell.

The command is available for various operating systems including DOS, Microware OS-9,[1] IBM OS/2,[2] Microsoft Windows[3] and ReactOS.

[5] DEC RT-11,[6] OS/8,[7] RSX-11,[8] and OpenVMS[9] also provide the delete command which can be contracted to del.

Datalight ROM-DOS also includes an implementation of the del and erase commands.

In PowerShell, del and erase are predefined command aliases for the Remove-Item cmdlet which basically serves the same purpose.