# How to use the shell command to get the version of Linux Distributions All In One > 如何使用 shell 命令获取 Linux 发行版的版本 - hostnamectl - cat /etc/os-rele
It is recommended to avoid running shell commands from an Ansible playbookthere is an Ansible module that performs the same action. This is especially because with a module you have better odds of beingidempotent. [ Ready to start automating? Check out thisAnsible quick start series. ] ...
To connect to a remote system using SSH, we’ll use thesshcommand. If you are using Windows, you’ll need to install a version of OpenSSH in order to be able tosshfrom a terminal. If you prefer to work in PowerShell, you can followMicrosoft’s documentationto add OpenSSH to PowerSh...
select varsinlistdocommandsdone dialog Dialog is anapplicationused inshell scriptswhich displays textuser interfacewidgets. It uses the curses or ncurses library. The latter provides users with the ability to use a mouse, e.g., in anxterm. https://en.wikipedia.org/wiki/Dialog_(software) https...
Teaching first-year university students or high schoolers to use a Unix shell is not always the easiest or most entertaining of tasks. GameShell was devised as a tool to help students at theUniversité Savoie Mont Blancto engage with arealshell, in a way that encourages learning while also ha...
you should consider usingsubprocess.run. For a short and quick script you might just want to use theos.system()oros.popen()functions. If you have any questions, feel free to leave them in the comments below. There are also other useful libraries that support shell commands in Python, like...
Running Basic Shell Commands# To run a simple command and read its output, we can use theexecfunction. In this example, let’s list the files in our current directory usingls, and print the output from our Node.js code: const{exec}=require('node:child_process')// run the `ls` comma...
Another way to use shell functions inside an Awk script is to write them as an inline command string. Then, we can execute them using thesystemorgetlinefunctions. 4.1. Inline Function as Command String Let’s see how we can initialize thecmdvariable with theepoch_to_date()function as a co...
Did you know you can use the familiar C shell and Korn shell under SUA (Subsystem for UNIX-based Applications) to call our PowerShell commands? If you have Windows Server 2003 R2, Windows Server 2008 or Windows Vista Ultimate and Enterprise editions, then you can ...
Chapter 01How to Use the help Command in Linux Chapter 02How to Use the man command in Linux Chapter 03How to use the info and pinfo commands in Linux Conclusion Linux shell provides two types of commands: internal and external. Internal commands are part of the shell. External commands ar...