.\" Copyright (c) 1980, 1991 Regents of the University of California.
.\" %sccs.include.redist.roff%
.\" @(#)which.1 6.3 (Berkeley) %G%
.Nd "locate a program file including aliases and paths"
takes a list of names and looks for the files which would be
executed had these names been given as commands.
Each argument is expanded if it is aliased,
and searched for along the user's path.
Both aliases and path are taken from the user's
.Bl -tag -width ~/\&.cshrc
source of aliases and path values
A diagnostic is given for names which are aliased to more than a single
or if an executable file with the argument name was not found in the path.
or some other shell which knows about aliases.