Chapter 4 More bash shell Commands 1. ps ps -ef 2. top 3. kill 3940 kill -s HUP 3940 killall http* 4. df df -h 5. du du -h 6. sort sort -n sort -r sort -t ":" -k 3 -n 7. grep grep three file1 grep -v grep -n grep -c 8. tar tar -cvf test.tar test1/ tes...
another example using "du" command: du -h `cat lspath.txt` set | grep ETCDIR ETCDIR=`ls -l /etc` echo $ETCDIR ## to reserve the normal format, use echo "$ETCDIR" netstat -ant | grep 443 ### checking https status, if result is 1, it is running; if result is 0, https se...
7. Bash Trap Command #!/bin/bash# bash trap commandtrap bashtrap INT# bash clear screen commandclear;# bash trap function is executed when CTRL-C is pressed:# bash prints message => Executing bash trap subrutine !bashtrap(){ echo "CTRL+C Detected !...executing bash trap !"}# for l...
它是一种命令行解释器(CLI)或者Shell,可以让用户通过输入命令与系统交互。Unix Shell既可以直接执行用户输入的命令,也可以从文件中读取命令执行(shell scripting)。最常用的Unix Shell是Bash,几乎所有的Linux发行版中都内置有Bash。通常所说的Linux命令行就是Bash命令或Bash脚本。 Linux命令行以强大灵活著称,使用少数命令...
Bash Script Command Information man chmod # Display page manual of a command man -f|--whatis chmod # Display short description about a command man -k|--apropos permission # Display all related commands from a specific keyword chmod --help # Display usage options of a command ⬆ ʀᴇ...
window, where users can type commands to make the computer perform operations. The language can also be used to read and execute commands from files, called shell scripts. Shell script itself is a programming language, and like any other language, Bash is a tool that can be used in many ...
linuxbashprogrammingscriptinglooplinux-commandscripting-tutorial UpdatedSep 20, 2024 Shell terremoth/linux-stuff Star10 Linux installer stuffs linuxautoinstallerlinux-commandlinux-tools UpdatedNov 5, 2024 Shell Some useful linux, git, vim and docker commands ...
Bash scripting is a powerful tool for automating tasks. By writing a script, you can automate a series of commands, making your work more efficient. # Simple script to update system and clean up packagesecho'sudo apt update && sudo apt upgrade -y && sudo apt autoremove -y'>update.shbash...
The default shell used in all Linux distributions is the GNU bash shell. This chapter describes the basic features available in the bash shell, and walks you through how to work with Linux files and directories using the basic commands provided by the bash shell. If you're already comfortable...
Shell scripting, specifically Bash scripting, is a great way to automate repetitive or tedious tasks on your systems. Why type when you can schedule and run ...