The `minchown` program

minchown changes the owner and group of a file.

Interface

     minchown [ -U ] [ -u uid ] [ -g gid ] file

minchown changes file's owner to numerical uid uid and group to numerical gid gid. If uid or gid is not given, the default is to perform no change.
minchown exits 100 on a misuse and 111 on a temporary error.

-u uid : change uid to uid.
-g gid : change gid to gid.
-U : read uid and gid from the UID and GID environment variables. This is useful to use minchown with a program like envuidgid.