Linux basic Commands-common command tools

1 CD Switch working directory

[Email protected] ~]# cd/usr/local/#切换到目录/usr/local

[Email protected] local]# CD. #切换到上一级目录

[Email protected] usr]# cd-#返回到/usr/local

/usr/local

2 Touch Create or modify a file

[email protected] ~]# Touch test.txt

In the current directory, if there is no test.txt, it is created directly; if it exists, it is the time to update the file

3 mkdir Creating a directory

[Email protected] ~]# mkdir game #创建目录game

[Email protected] ~]# mkdir-p/home/test/game #创建多级目录

[Email protected] ~]# mkdir test Gamek Hello #创建多个目录

4 PWD Displays the current path

[Email protected] test]# pwd

/home/test #返回当前工作目录

5 ls display directory and file information

[email protected] game]# ls #显示当前目录和文件的名称

[Email protected] game]# ls-a #显示包含的隐藏文件

[Email protected] game]# ls-l #显示文件和目录的详细信息

[Email protected] game]# LS-LH #显示容量信息

[Email protected] game]# Ls-ld/home #查看当前home目录自身的详细信息

[Email protected] game]# ls-lt #查看有时间排序的详细信息

[Email protected] game]# Ls-lu #显示最后到访时间

[Email protected] game]# LS-LC #显示属性变更的时间

6 MV Move or rename directories and files

[Email protected] ~]# mv Test.txt text.py #将text. PY renamed to Text.py

[Email protected] ~]# mv text.py/home/#将text. PY Move To/home

7 CP Copy files and directories

[Email protected] ~]# cp/etc/passwd/home/#复制passwd到/Home

[[email protected] ~]# cp/etc/passwd/home/pass #复制passwd到/home changed to pass

[Email protected] ~]# cp-r/home/logs/tmp/#复制子文件和目录到/tmp/

8 RM Delete

[Email protected] ~]# RM Test #删除test

[Email protected] ~]# RM-RF test #彻底删除且不提示

9 du displays the file and directory capacity

[[email protected] ~]# du-sh/home #查看/Home space occupied

Usage of all file systems in DF

[Email protected] ~]# df-a #查看分区及使用情况

[Email protected] ~]# df-i #查看分区iNode使用情况

[Email protected] ~]# df-h #带单位显示使用情况

Cat View File Contents

[[email protected] ~]# cat-b/home/passwd #显示行号, blank lines do not appear

[[email protected] ~]# cat-n/home/passwd #显示行号, including blank lines

Page more Paging view

[[email protected] ~]# More/tmp.log #分页查看, space to see next page, Q exit

Less paging view

[[email protected] ~]# Less/tmp.log #分页查看, space to see the next page, the arrow keys can page, q exit

The first 10 lines are displayed by default in the head view of the file

[Email protected] ~]# head-c 10k/tmp.log #查看前10k的内容

[Email protected] ~]# Head-20/tmp.log #查看前20行内容

Tail view file trailer default last 10 lines

[Email protected] ~]# tail-c 10k/tmp.log #查看尾部10k的内容

[Email protected] ~]# Tail-20/tmp.log #查看后20行

[Email protected] ~]# tail-f/tmp.log #动态查看

WC Statistic Line Information

[Email protected] ~]# wc-c/tmp.log #统计字节数

[Email protected] ~]# wc-l/tmp.log #统计行数

[Email protected] ~]# wc-w/tmp.log #统计单词数

This article is from the "Practical Linux knowledge and Skills sharing" blog, please be sure to keep this source http://superleedo.blog.51cto.com/12164670/1886113

Linux basic Commands-common command tools