What defines an operating system isn’t a geeky label or a collection of ramblings from the mouths of its community members. Nor is it some empty and pointless certification offered up by an obscure ...

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 ...

Two weeks ago frequent contributors p_msac and bportlock challenged me to see Linux as not Unix and to discuss the consequences of that difference. The reality here is simple: Linus Torvalds started ...

Learn the ABCs of BSD.

Any time we mention Linux, it is a fair bet we will get a few comments from people unhappy that we didn’t refer to it as GNU/Linux or with some other appellation. To be fair, they aren’t wrong. Linux ...

Takeaway: Unix’s rock-solid reliability means that its relevant now more than ever – and Linux puts Unix’s power within reach. Unix has been around for a very long time. We remember the rampant ...