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RH033学习笔记

作者 佚名技术 来源 Linux系统 浏览 发布时间 2012-05-13
and info
/usr/share/doc
Red Hat documentiation
4,The whatis Command
Display short description
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5,The --help Option
Displays usage summary and argument list
used by most but not all,command
6,Reading Usage Summaries
Arguments in "[]" are optional
Arguments in "<>" are variables
x|y|z means "x or y or z" 其中一个
-abc menas -a -b -c 任意组合
7,The man Command
man [<chapter>] <command>
比较重要的是1,5,8 章节
man 5 passwd
man lvm
8,Navigating man Pages
arrows,pgUp,pgDown
/<text> search for text
n/N netx/previous keywords
man -k <keyword> list all matching pages
man -k passwd
9,The info Command
比man更详细
info page are structured like a web site
tab可以进入其它主题
info <command>
10,Navigating info Pages
arrows,pgUp,pgDown
Tab/Enter
n/p/u next/previous/up-one(上一层) node
s[<text>] search for text
11,Extended Documentation
/usr/share/doc
12,Red Hat Documentation
===============================================================================
Unit 3 Beowsing the Filesystem
1,Linux File Hierarchy Concepts
2,Some Important DIrectories
3,Other Important DIrectories
4,Current Working DIrectory
5,File and Directory Names
6,Absolute Pathnames
7,Relative Pathnames
8,Changing Directories
9,Listing Directory Contents
10,Copy files and Directories
11,Copy files and Directories:The Destination
12,Moving and Renaming files and Directories
13,Moving and Renaming files and Directories:The Destination
14,Creating and Removing Files
15,Creating and Removing Directories
16,Using Nautilus
17,Moving and Copying in Nuatilus
18,Determineing File Content
19,Viewing an entire Text FIle
20,Viewing Text Page by Page 1,Linux File Hierarchy Concepts
单根目录,大小写敏感,以.开头的文件/目录是隐藏的
2,Some Important DIrectories
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/home/username
/bin /sbin
/media /mnt
3,Other Important DIrectories
/etc /tmp /boot /dev /usr
4,Current Working DIrectory
pwd
5,File and Directory Names
Names may be up to 255 characters
All characters are valid,except the "/"
名字中有空格,用双引号扩起,大小写区分
6,Absolute Pathnames
begin with a slash (/)
7,Relative Pathnames
spectifies location relative to your current working directory
8,Changing Directories
cd cd.. cd~
9,Listing Directory Contents
ls [options] [files or directories]
10,Copy files and Directories
More than one file may be copied at a time if the destination is a directory
cp file1 file2 dest
cp -p 不修改文件属性(时间)
cp -r 复制目录用
11,Copy files and Directories:The Destination
if the destination exists and is a direcory, the copy is placed there with the same name
if the destination exists and is a file,the copy overwrites the destination file
if the destination does not exist,the copy is created with that name
12,Moving and Renaming files and Directories
More than one file may be moved at a time if the destination is a directory
13,Moving and Renaming files and Directories:The Destination
if the destination exists and is a direcory, the source file or directory is moved there with the same name
if the destinati

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