returns the ID of last initiated background process. If a process is running, the corresponding PID is found in directory /proc/. Based on the ideas given in a Ubuntu forum thread and a template on command line parsing, I wrote a simple script “parallel” that allows you to run virtuall...
/bin/sh (已经被 /bin/bash 所取代) /bin/bash (就是 Linux 预设的 shell) /bin/tcsh (整合 C Shell ,提供更多的功能) /bin/csh (已经被 /bin/tcsh 所取代) 虽然各家 shell 的功能都差不多,但是在某些语法的下达方面则有所不同,因此建议你还是得要选择 某一种 shell 来熟悉一下较佳。 Linux 预...
This script starts three background processes that sleep for 10, 15, and 20 seconds, respectively. We store each process’s PID in a variable. Then, we use the wait command with all three PIDs as arguments. The script will pause at the wait command until all three processes have been co...
Thefindcommand in the above script searches the file in the specified directory and-print0separates the file names by null character. Finally, the echo prints the number of files which is 3 as shown in the above output. Bash while Loop Stop on a Key Press You can also take the keyboard ...
Kill a running script using the parent process id. $catmyscript.sh while:;do date sleep1 done $ bash myscript.sh Sun Dec 10 00:00:00 PST 2017 Sun Dec 10 00:00:01 PST 2017 Sun Dec 10 00:00:02 PST 2017 Sun Dec 10 00:00:03 PST 2017 ...
"echo "Script's PID: $"echo "Number of arguments: $#"echo "Scripts arguments: $@"echo "Scripts arguments separated in different variables: $1 $2..."# 读取输入：echo "What's your name?"read Name # 这里不需要声明新变量echo Hello, $Name!# 通常的 if 结构看起来像这样：# 'man test'...
scriptname >>filename 把scriptname的输出(同>)追加到文件filenmae中,如果文件不存在则创建。 [i]<>filename 打开filename这个文件用来读或者写,并且给文件指定i为它的文件描述符(file descriptor),文件不存在就会创建。 34. (command)>,<(command) 进程替换 ...
To obtain the PID of the most recent process, you can utilize the command: echo $! Linux - Find the PID(s) of running processes and store as, I'm trying to write a bash script to find the PID of a running process then issue a kill command. I have it partially working, but the...
问如何杀死bash脚本生成的所有子进程？EN版权声明：本文内容由互联网用户自发贡献，该文观点仅代表作者本人...
Back to the original script to add a few more options and you haveversion three: 1#!/bin/bash2# Script to collect the status of lshw output from home servers3# Dependencies:4# * Open SSH: http://www.openssh.com/portable.html5# * LSHW: http://ezix.org/project/wiki/HardwareLiSter6...