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常用术语解释

2013-12-02 20:50 148 查看
1. Buffer

A buffer is a portion of a computer's memory that is set aside as a temporary holding place for data that is being sent to or received from an external device, such as
ahard disk drive (HDD), printer or keyboard.

2. Kernel 

A kernel is the core of an operating system. It is the first part of the operating system that is loaded  intomemory
when a
computer
boots up (i.e., starts up), and it controls virtually everything on a system.

3. POSIX -- Portable Operating System Interface of Unix

 
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