1.使用&在后台运行salt 1.保存其PID 1.在未来的某个时候，wait 1.获取wait的退出状态 ...
Summary of the new feature/enhancement As A User I WANT To use pwsh as my default container's shell SO THAT I could launch any process with start-Process and make the process be the PID 1
In this script, we’re starting five background processes within a loop. Each process sleeps for several seconds equal to its index in the loop. We store each process’s PID in an array. After starting all the processes, we loop through the array and use the wait command to pause each ...
You can start a background process by appending an ampersand character (&) to the end of your commands. This tells the shell not to wait for the process to complete, but instead to begin execution and to immediately return the user to a prompt. The output of the command...
8. Shell Programming and Scripting Problems running scripts in the background Hi Could someone offer some help on this problem I've got with running a background process. As part of a script that does a stop/start/status for a piece of software called SAS, the following extract is ...
wait还(可选)获取进程的PID等待,并使用$!您将获得在后台启动的最后一个命令的PID。修改循环以将每个生成的子进程的PID存储到一个数组中,然后再次循环等待每个PID。12345678910 # run processes and store pids in array for i in $n_procs; do ./procs[${i}] & pids[${i}]=$! done # wait for ...
If the shell is started with the effective user (group) id not equal to the real user (group) id, and the -p option is not supplied, no startup files are read, shell functions are not inherited from the environment, the SHELLOPTS, BASHOPTS, CDPATH, and GLOBIGNORE variables, if they...
ps:process status(进程状态,类似于windows的任务管理器) 常用参数:-auxf ps -auxf 显示进程状态 df:disk free其功能是显示磁盘可用空间数目信息及空间结点信息。换句话说,就是报告在任何安装的设备或目录中,还剩多少自由的空间。 du:Disk usage rpm:即RedHat Package Management,是RedHat的发明之一 ...
;; status) ps -p `cat $PIDFILE` RETVAL=$? ;; restart|force-reload|reload) kill -9 `cat $PIDFILE` /etc/init.d/hello.sh & RETVAL=$? ;; *) echo $"Usage: $prog {start|stop|status|restart|force-reload}" RETVAL=2 esac exit...
extraDelay=$delayInit[[ $checkTCP == yes ]] && start=0 || start=-1fi[[ $start -gt 0 ]] && start=$(txrx_bytes)fififisleep 60done &# while loop was put into background, now disown it, so it will continue to run when user is logged offbackground_pid=$!