Linux基本操作2-优快云博客

这篇博客展示了在Linux环境中进行目录创建、文件重命名及权限修改的实际操作。通过`mkdir`命令创建多级目录，使用`mv`命令完成文件重命名，并用`chmod`调整文件权限，对`var`目录赋予755权限。内容涵盖了基本的Linux文件系统管理和权限控制。

[root@VM-0-12-centos /]# cd ./      当前目录下

[root@VM-0-12-centos ~]# mkdir -p test1/test2/test3/test4
[root@VM-0-12-centos ~]# ls
test1

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[root@VM-0-12-centos ~]# ls
ttt.tt
[root@VM-0-12-centos ~]# mv ttt.tt ddd.tt
[root@VM-0-12-centos ~]# ls
ddd.tt
[root@VM-0-12-centos ~]#

在这里插入图片描述

drwxrwxrwx.  20 root root  4096 Jan  8  2021 var
[root@VM-0-12-centos /]# chmod 755 var
[root@VM-0-12-centos /]# ll
total 72
lrwxrwxrwx.   1 root root     7 Mar  7  2019 bin -> usr/bin
dr-xr-xr-x.   5 root root  4096 Aug 13 14:39 boot
drwxr-xr-x    2 root root  4096 Nov  5  2019 data
drwxr-xr-x   20 root root  3060 Aug 13 14:38 dev
drwxr-xr-x.  96 root root 12288 Aug 13 14:39 etc
drwxr-xr-x.   3 root root  4096 Aug 13 17:54 home
lrwxrwxrwx.   1 root root     7 Mar  7  2019 lib -> usr/lib
lrwxrwxrwx.   1 root root     9 Mar  7  2019 lib64 -> usr/lib64
drwx------.   2 root root 16384 Mar  7  2019 lost+found
drwxr-xr-x.   2 root root  4096 Apr 11  2018 media
drwxr-xr-x.   2 root root  4096 Apr 11  2018 mnt
drwxr-xr-x.   5 root root  4096 Jan  8  2021 opt
dr-xr-xr-x  101 root root     0 Aug 13 14:38 proc
dr-xr-x---.   6 root root  4096 Aug 13 18:41 root
drwxr-xr-x   25 root root   920 Aug 13 14:39 run
lrwxrwxrwx.   1 root root     8 Mar  7  2019 sbin -> usr/sbin
drwxr-xr-x.   2 root root  4096 Apr 11  2018 srv
dr-xr-xr-x   13 root root     0 Aug 13 18:54 sys
drwxrwxrwt.   9 root root  4096 Aug 13 18:54 tmp
drwxr-xr-x.  14 root root  4096 Jan  8  2021 usr
drwxr-xr-x.  20 root root  4096 Jan  8  2021 var
[root@VM-0-12-centos /]#