NAME

which − Locates a program file including aliases and paths

SYNOPSIS

which program ... 

DESCRIPTION

The which command takes a list of program names and looks for the files that would be executed if these names were given as commands. 

Each program argument is expanded if it is aliased and searched for along your path.  Both the aliases and path are taken from your .cshrc file.  If you do not have a .cshrc file, the path is the current PATH from your environment. 

The which command is written in csh script language and only works in the C shell.  The ksh program offers the built-in commands type and whence that perform the same function as which.  The sh built-in command type can also be used. 

FILES

$HOME/.cshrcRead at beginning of execution by each shell. 

DIAGNOSTICS

A diagnostic is given if an executable file with the argument name was not found in the path. 

RELATED INFORMATION

Commands:  whereis(1)