Not to beat the topic to death, but I wanted to chime in on this story about a perceived Linux skills shortage. Two points I'd like to make. First, from where I'm sitting, there's no shortage of ...

留神，变量名和等号之间不能有空格，这或许和你了解的悉数编程言语都不相同。一同，变量名的命名须遵从如下规矩： 命名只能运用英文字母，数字和下划线，首个字符不能以数字开端。 中心不能有空格，能够运用下划线（_）。 不能运用标点符号。 不能 ...

Linux严格意义上说的是一个操作系统，我们称之为“核心（kernel）“ ，但我们一般用户，不能直接使用kernel。而是通过kernel的“外壳”程序，也就是所谓的shell，来与kernel沟通。 如何理解？为什么不能直接使用kernel？ 从技术角度，Shell的最简单定义：命令行解释 ...

Discover top-rated training courses on Udemy to help you learn or master Linux at your own pace for your professional goals. If the biggest challenge to learn Linux is finding the time to do it, this ...

When you dive into Linux for the first time, you'll probably be spending most of your time poking around the desktop environment, figuring out where things are that you frequently used on your ...

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 ...