which which -a which #查看命令which所在位置,-a参数表示找出所有/usr/bin/which/bin/whichecho $PATH/home/hyb/bin:/home/hyb/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/java-8-oracle/bin:/usr/lib/jvm/java-8-oracle/...【阅读全文】