Attributes

POSIX Threads
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POSIX Threads

To make it possible to write portable threaded programs, IEEE has described a standard for threads in IEEE standard 1003.1c. The threads package it describes is called Pthreads. Most UNIX systems support it. The standard defines over 60 function calls, which is far too many to

Implementing Directories
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Implementing Directories

Before a file can be read, it must be opened. When a file is opened, the operating system uses the path name supplied by the user to locate the directory entry. The directory entry provides the information required to find the disk blocks. Depending on the system, this information

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