在计算机操作系统发展之初，便带有命令解释器（Command Interpreter），用于接受用户的命令，并解释它们，从而与计算机进行交互。受 CTSS 和 Multics 系统的影响，Dennis Ritchie 和 Ken Thompson 在设计 UNIX 系统的时候，并没有将命令解释器作为操作系统的一部分或特权 ...

One of the most powerful features of Unix and Linux is that using traditional command line tools, everything is a stream of bytes. Granted, modern software has blurred this a bit, but at the command ...

AWK is a pattern-scanning and processing language that searches one or more files for records (usually lines) that match specified patterns. It processes lines by performing actions, such as writing ...

For Linux users, the command line is a celebrated part of our entire experience. Unlike other popular operating systems, where the command line is a scary proposition for all but the most experienced ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

This course provides an introduction to Kernel programming for the Linux operating system, and the development of Linux kernel drivers for Embedded devices. The Yocto build system is introduced, which ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

You're using Linux every day—you may not just be realizing it. Every single time you enter a query on Google, scroll through your Facebook feed, or stream a video ...