David is a freelance writer based in the Pacific Northwest, but originally hailing from the Bay Area. A journalist by training who has been writing professionally since 2009, he discovered the power ...

默认情况下，bash shell 会忽略收到的任何 SIGQUIT (3)和 SIGTERM (15)信号（正因为这样，交互式 shell 才不会被意外终止）。但是 bash shell 会处理收到的 SIGHUP (1)和 SIGINT (2)信号。 如果 bash shell 收到了 ...

If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

Yash is an author at MUO who writes for the site's Android, iOS, and Mac verticals. He found his passion for writing while he used to develop apps for the web. In 2018, he decided to combine his ...

In this article, I would like to give you an Introduction to the different kinds of shells In Linux. For those who don't know what Linux is, I will give a brief explanation of It. Linux is an ...

I get a lot of questions on how to perform various tasks from a Linux shell/terminal. In the interest of making a simple cheat sheet—something I can point people to that will help them get rolling ...

This command will print out the path of your current shell, such as /bin/bash or /bin/zsh. The /etc/passwd file contains important user account information. You can also use this file to find your ...

While many desktop Linux distributions provide an easy-to-use graphical user interface, there are times when you must perform certain work-related or system administration tasks using old-fashioned ...

Ever struggle with conflicting software versions between projects? Nix-shell can help! Nix-shell allows you create customized development environments for each project, complete with all the necessary ...