which: which (shows the full path to shell commands) which: which: GNU 'which' takes one or more arguments. For each of its arguments it which: prints to stdout the full path of the executables that would have been which: executed when this argument had been entered at the shell prompt. It which: does this by searching for an executable or script in the directories which: listed in the environment variable PATH using the same algorithm as which: bash(1). 'Which' is a built-in function in many shells. which: which: The GNU version of which was written by Carlo Wood. which: