File deletion

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File deletion is the removal of a file from a computer's file system.

All operating systems include commands for deleting files (rm on Unix and Linux,^[1] era in CP/M and DR-DOS, del/erase in MS-DOS/PC DOS, DR-DOS, Microsoft Windows etc.). File managers also provide a convenient way of deleting files. Files may be deleted one-by-one, or a whole blacklist directory tree may be deleted.