which
English [w?t?] US [hw?t?,w?t?]
which, which, which? ?? ??? ??? ?????
adj.
??? ?? ?? ???
??: ??? ?? ? ???? ?????. which ??? ?? ?? $PATH? ?? ??? ?????? ??? ???? ??? ?????.
??: ?? which [??...]
??? ?? ?? ?
"which" ??? ???? "bash" ??? ?? ??? ???? ?? ??? ?????.
$ which bash
? ??? ??? ? ?? ??? ??? ????.
/bin/bash #bash可執(zhí)行程序的絕對(duì)路徑