可移植操作系统接口，POSIX 标准定义了操作系统（很多时候针对的是类 Unix 操作系统）应该为应用程序提供的接口标准，从而保证了应用程序在源码层次的可移植性，如今主流的 Linux 系统都做到了兼容 POSIX 标准。由此可见，可移植性是 POSIX 的一大特性，如果 ...

Linux开发者越来越多，但是仍然有很多人整不明白POSIX是什么。本文就带着大家来了解一下到底什么是POSIX，了解他的历史和重要性。 发布者为电气与电子工程师协会（Institute of Electrical and Electronics Engineers），简称IEEE。这个协会老牛了【该组织在太空、计算机 ...

Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet not every shell ...

Welcome back to Linux.Ars! We have some good stuff for you this week. Axel Liljencrantz has written a helpful introduction to the Friendly Interactive Shell (Fish), a unique and innovative command ...

OpenBSD has recently stressed to us the value of key rotation by their use of “Signify” distribution release signatures. We have realized that SSH keys should also rotate, to reduce the risk of ...

Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet not every shell ...