Bash, aka the Bourne-Again Shell, has a newly discovered security hole. And, for many Unix or Linux Web servers, it's a major problem. The flaw involves how Bash evaluates environment variables. With ...

我们在使用Linux的时候会经常遇到终端和shell的概念。比如在桌面版的Ubuntu上面，我们可以在桌面上右击鼠标，点击“Open Terminal”来打开一个终端。此时，我们就可以在该终端中输入Linux命令了。有人可能会问，这不是shell吗？那么终端和shell到底是什么关系呢？

摘要：程序员都知道，Linux 不是 Unix，不过二者之间确实存在关系，即 Linux 系统是从 Unix 派生出来的，而 Linux是一个类 Unix 的操作系统。那么，二者之间具体存在哪些明显的差异呢？ 网上很多有关POSIX和Unix工具的教程和指南总是假设你安装了Linux，或者更具体地 ...

A critical remote code execution vulnerability in Bash, present in almost all Linux, UNIX and Mac OS X deployments, has been discovered. Experts advise immediate patching. A critical vulnerability in ...

If you don't love the shell you're using on your Linux system, change it! There are plenty, including bash, fish, ksh, tcsh, zsh. There are quite a few shells on Linux system and more that can be ...

这是一个简单的shell程序，我觉得已经没什么问题了，在linux下执行 请高手指点一下，谢谢了。。。。

Claim your complimentary copy (valued at $35.99) for free before the offer expires on April 9. Dive into the world of Linux shell scripting with this hands-on guide. If you’re comfortable using the ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...