Unix：（提纲）关于目录和文件的操作

参考文献：Harley Hahns：Guide to Unix and Linux， Chap 24,25

目录的操作：

——》you can change your "working directory" by using "cd" (change directory) command;

——》moving around directories: cd, pwd

——》make & remove a directory (folder): mkdir, rmdir

——》moving
or renaming a director : mv

——》using
the directory stack

——》display
information about a directory : ls

——》checking
file types: file

——》space
usage of a file: ls -s

——》an
important point: The amount of disk space used by a file is not the same as the amount of data in the file

——》wildcards

——》displaying
a directory tree : tree

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文件的操作：chap 25

——》creating a file : vi | redirect | cp

——》copying
a file : cp

——》copy
a directory and all of its files to another directory

——》move
a file to a different directory: mv

rename a file of directory : mv

——》delete
a file: rm

——》delete an entire directory tree: rm -r

——》FILE
PERMISSIONS