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NAME

which − locate a command

SYNOPSIS

which [−a] filename ...

DESCRIPTION

which returns the pathnames of the files (or links) which would be executed in the current environment, had its arguments been given as commands in a strictly POSIX-conformant shell. It does this by searching the PATH for executable files matching the names of the arguments. It does not canonicalize path names.

OPTIONS

−a

print all matching pathnames of each argument

EXIT STATUS

0

if all specified commands are found and executable

1

if one or more specified commands is nonexistent or not executable

2

if an invalid option is specified

COMMENTS