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WHICH(1) General Commands Manual WHICH(1)

NAME

which - locate a command

SYNOPSIS

which [-as] 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

print all matching pathnames of each argument
silently return 0 if all of the executables were found or 1 otherwise

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
29 Jun 2016 Debian