内附8个文档。系统开发必备手册。 POSIX Base Definitions；POSIX Base Specifications, Issue 7；POSIX Rationale (Informative)；POSIX® Realtime and Emeded Application Support；POSIX® Shell and Utilities；POSIX System Interfaces；POSIX Technical Corrigendum 1；POSIX Technical
The make utility automatically determines which pieces of a large program need to be recompiled, and issues commands to recompile them. This manual describes GNU make, which was implemented by Richard Stallman and Roland McGrath. Development since V
此文档是POSIX标准最新文档HTML版，UNIX/LINUX系统编程和实现必备手册。 The Open Group Base Specifications Issue 7, 2018 edition IEEE Std 1003.1-2017 (Revision of IEEE Std 1003.1-2008)
