POSIX1-2008规范
The Open Group Base Specifications Issue 7 IEEE Std 1003.1, 2008 Edition POSIX.1-2008 defines a standard operating system interface and environment, including a command interpreter (or "shell"), and common utility programs to support applications portability at the source code level. It is intended
用户评论
全是网页，要是能打包成chm格式的最好
全都是网页。