三、基本命令

三、基本命令

1、cd 命令

[root@iZbp1g3zb15nr77gr5reegZ /]# cd /usr					#进入单层目录	
[root@iZbp1g3zb15nr77gr5reegZ usr]# cd ..					#退出所在目录
[root@iZbp1g3zb15nr77gr5reegZ /]# cd /usr/bin				#进入多层目录
[root@iZbp1g3zb15nr77gr5reegZ bin]#clear					#清除命令行窗口

2、ls 命令

[root@iZbp1g3zb15nr77gr5reegZ usr]# ls						#查看当前目录下面的内容
bin  etc  games  include  lib  lib64  libexec  local  sbin  share  src  tmp
[root@iZbp1g3zb15nr77gr5reegZ usr]# ls -ll					#查看当前目录下面的内容（列表形式）
total 84
dr-xr-xr-x.  2 root root 20480 Nov 30  2021 bin
drwxr-xr-x.  2 root root  4096 Apr 11  2018 etc
drwxr-xr-x.  2 root root  4096 Apr 11  2018 games
drwxr-xr-x.  4 root root  4096 Apr 26  2020 include
dr-xr-xr-x. 29 root root  4096 Apr 26  2020 lib
dr-xr-xr-x. 39 root root 20480 Apr 26  2020 lib64
drwxr-xr-x. 22 root root  4096 Apr 26  2020 libexec
drwxr-xr-x. 13 root root  4096 Apr 26  2020 local
dr-xr-xr-x.  2 root root 12288 Sep 18 21:38 sbin
drwxr-xr-x. 77 root root  4096 Apr 26  2020 share
drwxr-xr-x.  4 root root  4096 Apr 26  2020 src
lrwxrwxrwx.  1 root root    10 Apr 26  2020 tmp -> ../var/tmp
[root@iZbp1g3zb15nr77gr5reegZ usr]# ls -al		#查看当前目录下面的所有内容包括隐藏文件（列表形式）
total 92
drwxr-xr-x. 13 root root  4096 Apr 26  2020 .
dr-xr-xr-x. 18 root root  4096 Sep 19 14:50 ..
dr-xr-xr-x.  2 root root 20480 Nov 30  2021 bin
drwxr-xr-x.  2 root root  4096 Apr 11  2018 etc
drwxr-xr-x.  2 root root  4096 Apr 11  2018 games
drwxr-xr-x.  4 root root  4096 Apr 26  2020 include
dr-xr-xr-x. 29 root root  4096 Apr 26  2020 lib
dr-xr-xr-x. 39 root root 20480 Apr 26  2020 lib64
drwxr-xr-x. 22 root root  4096 Apr 26  2020 libexec
drwxr-xr-x. 13 root root  4096 Apr 26  2020 local
dr-xr-xr-x.  2 root root 12288 Sep 18 21:38 sbin
drwxr-xr-x. 77 root root  4096 Apr 26  2020 share
drwxr-xr-x.  4 root root  4096 Apr 26  2020 src
lrwxrwxrwx.  1 root root    10 Apr 26  2020 tmp -> ../var/tmp

3、pwd 命令

[root@iZbp1g3zb15nr77gr5reegZ usr]# pwd					#查看当前所在目录
/usr

4、mkdir 命令

[root@iZbp1g3zb15nr77gr5reegZ home]# mkdir lzb					#创建目录
[root@iZbp1g3zb15nr77gr5reegZ home]# mkdir -p lzb2/test/output	#创建多级目录
[root@iZbp1g3zb15nr77gr5reegZ home]# ls -ll
total 8
drwxr-xr-x 2 root root 4096 Sep 19 16:48 lzb
drwxr-xr-x 3 root root 4096 Sep 19 16:50 lzb2

5、rmdir 命令

[root@iZbp1g3zb15nr77gr5reegZ home]# rmdir lzb						#移除单个文件夹
[root@iZbp1g3zb15nr77gr5reegZ home]# rmdir -p lzb2/test/output		#移除多层文件夹

6、cp 命令

[root@iZbp1g3zb15nr77gr5reegZ home]# cp Maven.md test	#拷贝文件到指定文件夹
[root@iZbp1g3zb15nr77gr5reegZ home]# cp Maven.md test		
cp: overwrite ‘test/Maven.md’? y						#如果文件夹中已经存在，则输入y可以重写
[root@iZbp1g3zb15nr77gr5reegZ home]# 

7、rm 命令

[root@iZbp1g3zb15nr77gr5reegZ test]# rm Maven.md 		#移除文件
rm: remove regular file ‘Maven.md’? y
[root@iZbp1g3zb15nr77gr5reegZ home]# rm -f test			#强制移除文件
[root@iZbp1g3zb15nr77gr5reegZ home]# rm -r tset/test01/test02	#移除多层文件
rm: remove directory ‘tset/test01/test02’? y

8、mv 命令

[root@iZbp1g3zb15nr77gr5reegZ home]# mv Maven.md tset/		#移动文件到指定文件夹
[root@iZbp1g3zb15nr77gr5reegZ home]# mv tset test03			#重命名文件夹