rm - ファイルを削除するUNIXコマンド
remove
srm
(Unix): secure remove file in Unix
unlink()
: the underlying system call called by this user space program for its main functionality
del
(command)
deltree
dsw
(command) - an obsolete Unix command for deleting difficult files
https://ja.wikipedia.org/wiki/Rm_(UNIX)
https://en.wikipedia.org/wiki/Rm_(Unix)