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UNIX v6源代码 这几乎是最经典的unix版本 unix操作系统设计和莱昂氏unix源代码分析都是用的该版

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UNIX For Beginners
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.ps 10
Brian W. Kernighan
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.ps 10
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This paper is meant to help
new users get started on UNIX.
It covers:
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\(bu basics needed for day-to-day use of the system _
typing commands, correcting typing mistakes, logging in and out,
mail, inter-console communication,
the file system, printing files,
redirecting I/O, pipes, and the shell.
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\(bu document preparation _
a brief tutorial on the 
\s-2ROFF\s+2
formatter for beginners, hints on preparing documents,
and capsule descriptions of some supporting software.
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\(bu \s-2UNIX\s+2 programming _
using the editor, programming the shell, programming in C,
other languages.
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There is also an annotated UNIX bibliography.
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