WHICH(1) User Commands WHICH(1)
which - locate a command and display its pathname or alias
takes a list of names and determines which alias or utility would
be executed had these names been given as commands.
For each name
operand, if it names an alias the alias is expanded.
Otherwise the user's path is searched for a utility name matching name
Aliases are taken from the user's .cshrc
is taken from the
current shell execution environment.
The following operand is supported: name
The name of a command to be located.
The following exit values are returned: 0
Successful completion. >0
One or more name
operands were not located or an error occurred.
source of aliases and path values
SEE ALSO csh(1)
A diagnostic is given for names which are aliased to more than a single
word, or if an executable file with the argument name was not found in
utility is not a shell built-in command.
To compensate for ~/.cshrc
files in which aliases depend upon the prompt
variable being set, which
sets this variable to NULL.
If the ~/.cshrc
produces output or prompts for input when prompt
is set, which
produce some strange results.
March 30, 2005 WHICH(1)