文件名称:2011813035ex3
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Linux shell的使用：i. 将cp命令设置别名为copy，将mv命令设置别名为move。
ii. 使用history命令查看命令历史。
-Linux shell usage:. I would cp command to set an alias for copy, the mv command to set the alias for the move. ii. use the history command to view the command history.
ii. 使用history命令查看命令历史。
-Linux shell usage:. I would cp command to set an alias for copy, the mv command to set the alias for the move. ii. use the history command to view the command history.
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2011813035ex3.doc