The nuts and bolts of UNIX system calls.

UNIX系统调用的具体细节。

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For a UNIX system, add the following lines.

对于UNIX操作系统，添加下列几行。

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If it is Linux, you must know UNIX system calls.

如果是Linux，你必须熟悉unix系统调用。

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Linux is an open source operating system developed by independent and corporate programmers worldwide which has much of the functionality of the powerful Unix system.

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PCs and servers can be ordered with the new operating system, which is claimed to combine the usual features of a fresh Windows product with the strength and stability of a good Unix system.

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Students work on certification as Unix system administrators, and Sun helps with curriculum design, offers teacher internships and sets up computer labs, says Leslie Bowers, Sun's enterprise network services workforce program manager in Milpitas, Calif.

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