Redhat Linux Basic Operations 2

Ls

-A # # #列出所有文件 all

-L # # #列出文件属性

-R # # #第归列出文件

-S # # #列出文件大小--size

-S # # #按大小排序列出文件

-D # # #指定目录本身 Directory

. # # #指当前目录

.. # # #当前目录的上一级目录

Normal user home directory for/home/username

Ex. Student User home directory for/home/student

Ex. Root User home directory is/root

~ # # #当前目录的家目录

~student # # #进入到student用户的家目录

CD ~ # # #进入家目录

CD ~username # # #进入某以用户家目录

CD ~student # # #进入到student用户的家目录

CD-# # #当前目录和上一次目录之间跳 (the directory in which the system was previously entered)

Mkdir-p/qq/tupian/file-p set up a directory for attribution

Touch is to create a file (why not Mkfile), when a file does not have to build it, touch, touch (open, access, modify content, modify permissions) Once, he is changed.

RM # # #移动是一个重命名的过程 (inside the same disk), in two disks called copy and delete again

Rm-r/tudou/shipin/weiwie Youku

CP # # #复制是一个新建的过程

Cp-r/tudou/shipin/weiwei Redhat

-R # # #可以第归的把源目录及其子目录下的所有文件复制过去

chmod student File # # # #改变file权限为student权限

RM-FR * Delete all files in the current directory

Yum install gcc-y # # #安装gcc

gcc fille.c-o File # # #编译fille. c Files as executables

./file # # #执行file文件

Vim FileName # # #编辑文件

I # # #是在命令行界面插入字符

ESC # # #推出命令行界面

: Wq # # #是保存退出命令行节界面

~-# # #当前目录之前所在的目录

~+ # # #当前目录

？ # # #任意的但个字符

* # # #任意的所有字符

~user # # #匹配到user目录

[!ABC] equivalent to [^ABC] # # # #除了abc之外的

[ABC] # # #有a或者有b或者有c的

Touch File{a. F

Space # # #空格

PUNCT # # #特殊字符

Alnum # # #数字和字母

Alpha # # #大写和小写字母

Upper # # #大写字母

Lower # # #小写字母

Digit # # #数字

CP Fi[[:alpha:]]le test/

Man 1 passwd # # #命令帮助信息

Man 5 passwd # # #查看文件每一列的解释说明信息 (Colon delimited, description is a column file)

Man Mans

passwd # # #是文件名

find/etc/-name passwd &>file2 # # #重定向输出正确和错误的

find/etc/-name passwd >file # # #重定向输出正确的

find/etc/-name passwd 2>file1 # # #重定向输出错误

Output, CPU compute, as input, memory

CPU calculation has two kinds of results: Correct 1 and error 2, the default is output to this terminal,

> # # #重定向 (overwrite) output (overlay import)

>> # # #重定向 (append) output (append-Import)

Right will pass through the pipeline

2>&1 # # #把错误的转换成错误的 and then through the pipe

The output of a command is processed-----pipeline

Save the output of a command to a file----redirect

Show the 8th line of a file to line 10 head-n file1 | Tail-n 3 > File2

Cat-b/etc/passwd |head-10 |tail-3 >file1 # # #把一个文件的第8行到10行显示出来, and stored in a file

Multiple redirects can be used in one statement, or multiple pipe breaks can be used

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Redhat Linux Basic Operations 2