摘要: 在 bash 中,下面两个变量有特殊含义 $$ is the current script's pid $! is the pid of the last background process #!/bin/bash ./other.sh > /dev/null 2>&1 & proc_pid=$! 阅读全文
posted @ 2022-04-03 06:46 憶藝 阅读(155) 评论(0) 推荐(0)