摘要：
3.9 I/O Efficiency (I/O 效率) All normal UNIX System shells provide a way to open a file for reading on standard input and to create (or rewrite) a file on standard output. (所有正常的Ｕnix系统shells都提供拉一种方法来从标准输入打开一个文件和从标准输出创建或重写一个文件。) 3.10 File Sharing (文件共享) The UNIX System supports the sharing of ope... 阅读全文
posted @ 2013-09-20 11:16
yanjf
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