Making files is easy under the UNIX operating system. Therefore, users
tend to create numerous files using large amounts of file space. It
has been said that the only standard thing about all UNIX systems is
the message-of-the-day telling users to clean up their files.
-- System V.2 administrator's guide
c file /R-C fi:l/ n.
[Unix: from `runcom files' on
the CTSS system 1962-63 via the startup script
/etc/rc] Script file containing startup instructions for an
application program (or an entire operating system), usually a text
file containing commands of the sort that might have been invoked
manually once the system was running but are to be executed
automatically each time the system starts up....