CHOG(1)
NAME
chog − change owner and group
SYNOPSIS
chog owner files...
DESCRIPTION
Chog changes the user-ID and the group-ID of files to the user-ID and default group-ID of owner. The owner may be either a login name or a decimal UID, but it must be found in the password file.
Only the superuser is allowed to change owner and group ID’s.
FILES
/etc/passwd
/etc/group