POSIX
n. （计算机）简便操作系统
例句
POSIX signal handling is done in kernel space.
POSIX信号处理在内核空间中完成。
It has provided access to POSIX-like systems.
它提供对类POSIX系统的访问。
POSIX is for many functions I find I need frequently.
POSIX用于许多经常使用的函数。
