调用脚本时,获取进程PID: (/this/is/a/script/file.sh > /out/to/log.txt & echo $!) & 脚本内部,获取进程PID: echo $$ echo $PPID 相关文章: 2021-06-10 2022-01-07 2022-02-18 2022-01-21 2022-01-03 2022-01-22 2022-12-23 2022-12-23