昆明云南微网站,企业所得税优惠政策最新2023规定,宜春做网站,网站后台管理员做链接linux 常见指令
Alt Enter 全屏 退出全屏
pwd#xff1a; 显示用户所处路径 ls #xff1a;显示当前路径下的文件或者目录名称
[ltVM-8-13-centos ~]$ ls
106
[ltVM-8-13-centos ~]$ ls -l ll #xff1a;显示当前路径下的文件或者目录名称更多属性信息
[ltVM-8-13-cen… linux 常见指令
Alt Enter 全屏 退出全屏
pwd 显示用户所处路径 ls 显示当前路径下的文件或者目录名称
[ltVM-8-13-centos ~]$ ls
106
[ltVM-8-13-centos ~]$ ls -l ll 显示当前路径下的文件或者目录名称更多属性信息
[ltVM-8-13-centos ~]$ ls -l
total 4
drwxrwxr-x 3 lt lt 4096 Feb 21 18:29 106cd 你的路径 切换路径让我们进入不同路径下进行操作
[ltVM-8-13-centos ~]$ cd 106
[ltVM-8-13-centos 106]$ pwd
/home/lt/106文件 文件文件内容文件属性空文件也占磁盘空间 文件之间普通文件 和目录 cd .. (返回上级目录)
[ltVM-8-13-centos 106]$ cd ..
[ltVM-8-13-centos ~]$ cd ..
[ltVM-8-13-centos home]$ 以 .开头的文件在linux 下我们叫做隐藏文件
ls -alll-a 显示全部文件包括隐藏文件的更多信息 ls-a 显示所有文件包括隐藏文件
[ltVM-8-13-centos ~]$ ls -a
. 106 .bash_logout .bashrc .config .viminfo
.. .bash_history .bash_profile .cache .file .youcannotseeme. 当前目录 .. 上级目录路径
[ltVM-8-13-centos 106]$ mkdir lesson1
[ltVM-8-13-centos 106]$ pwd
/home/lt/106
[ltVM-8-13-centos 106]$ cd lesson1
[ltVM-8-13-centos lesson1]$ pwd
/home/lt/106/lesson1
[ltVM-8-13-centos lesson1]$ cd ..
[ltVM-8-13-centos 106]$ cd ..
[ltVM-8-13-centos ~]$ mkdir 创建目录或者路径 touch 创建文件 ls -l (路径) 会把路径下的文件显示出来
ls -ld (路径) 不把路径下的文件显示出来只显示路径
ls -R 列出所有子目录下的文件 cd 目录名 改变工作目录。将当前工作目录改变到指定的目录下。 cd .. : 返回上级目录 cd /home/litao/linux/ : 绝对路径 cd ../day02/ : 相对路径 cd ~ 进入用户家目 cd - 返回最近访问目录 [ltVM-8-13-centos lesson1]$ pwd
/home/lt/106/lesson1
[ltVM-8-13-centos lesson1]$ cd ..
[ltVM-8-13-centos 106]$ cd..
-bash: cd..: command not found
[ltVM-8-13-centos 106]$ pwd
/home/lt/106
[ltVM-8-13-centos 106]$ cd ..
[ltVM-8-13-centos ~]$ pwd
/home/lt
[ltVM-8-13-centos ~]$ cd ..
[ltVM-8-13-centos home]$ pwd
/home
[ltVM-8-13-centos home]$ cd ..
[ltVM-8-13-centos /]$ pwd
/
[ltVM-8-13-centos /]$ cd ..
[ltVM-8-13-centos /]$ pwd
/
[ltVM-8-13-centos /]$ /为根目录 绝对路径:/home/lt/106/lesson2 从根开始
[ltVM-8-13-centos 106]$ cd lesson2
[ltVM-8-13-centos lesson2]$ pwd
/home/lt/106/lesson2
[ltVM-8-13-centos lesson2]$ 相对路径不从根开始 tree . 当前路径所有文件 tree .. 上级路径所有文件
[ltVM-8-13-centos 106]$ tree .
.
|-- lesson1
| -- 106.txt
-- lesson2|-- test.1|-- test.2-- test.c2 directories, 4 files
[ltVM-8-13-centos 106]$ tree ..
..
-- 106|-- lesson1| -- 106.txt-- lesson2|-- test.1|-- test.2-- test.c3 directories, 4 files
[ltVM-8-13-centos 106]$ tree /home/lt
/home/lt
-- 106|-- lesson1| -- 106.txt-- lesson2|-- test.1|-- test.2-- test.c /home/xxxx :叫做xxx用户的工作路径或者家目录。默认所处路径
如果你是root 用户默认所处路径是/root
[ltVM-8-13-centos ~]$ ls /home
lrk lt
[ltVM-8-13-centos ~]$ ctrl d 表示退出重登
cd ~ 进入用户家目
[ltVM-8-13-centos ~]$ cd ~//进入当前用户家目录或者工作目录
[ltVM-8-13-centos ~]$ pwd
/home/lt
[ltVM-8-13-centos ~]$ cd - 返回最近一次所在的路径
[ltVM-8-13-centos ~]$ cd ./106
[ltVM-8-13-centos 106]$ pwd
/home/lt/106
[ltVM-8-13-centos 106]$ cd -
/home/lt
[ltVM-8-13-centos ~]$ cd -
/home/lt/106
[ltVM-8-13-centos 106]$ touch: 是一个linux下创建 普通文件的命令
touch 文件名 更新文件时间
[ltVM-8-13-centos lesson2]$ ls -l
total 4
-rw-rw-r-- 1 lt lt 0 Feb 21 21:25 test.1
-rw-rw-r-- 1 lt lt 0 Feb 21 21:25 test.2
-rw-rw-r-- 1 lt lt 132 Feb 21 18:36 test.c
[ltVM-8-13-centos lesson2]$ touch test.c
[ltVM-8-13-centos lesson2]$ ls -l
total 4
-rw-rw-r-- 1 lt lt 0 Feb 21 21:25 test.1
-rw-rw-r-- 1 lt lt 0 Feb 21 21:25 test.2
-rw-rw-r-- 1 lt lt 132 Feb 21 22:06 test.c
[ltVM-8-13-centos lesson2]$ mkdir 创建目录
[ltVM-8-13-centos lesson2]$ mkdir 107/108 //mkdir 要想创建多个目录需要 -p
mkdir: cannot create directory ‘107/108’: No such file or directory
[ltVM-8-13-centos lesson2]$ mkdir -p 107/108 //创建多个目录
[ltVM-8-13-centos lesson2]$ ll
total 8
drwxrwxr-x 3 lt lt 4096 Feb 21 22:10 107
-rw-rw-r-- 1 lt lt 0 Feb 21 21:25 test.1
-rw-rw-r-- 1 lt lt 0 Feb 21 21:25 test.2
-rw-rw-r-- 1 lt lt 132 Feb 21 22:06 test.c
[ltVM-8-13-centos lesson2]$ rmdir :用来删除空目录
7 directories, 5 files
[ltVM-8-13-centos ~]$ rmdir mytex // remove directory
rmdir: failed to remove ‘mytex’: Not a directory//不是一个目录
[ltVM-8-13-centos ~]$ rmdir 106
rmdir: failed to remove ‘106’: Directory not empty//不是空目录
[ltVM-8-13-centos ~]$ rm: 默认删除普通文件不能删除目录 rm -r 目录 :就可以删除目录了
drwxrwxr-x 4 lt lt 4096 Feb 21 19:54 106
drwxrwxr-x 3 lt lt 4096 Feb 22 09:36 empty
[ltVM-8-13-centos ~]$ tree .
.
|-- 106
| |-- lesson1
| | -- 106.txt
| -- lesson2
| |-- 107
| | -- 108
| |-- test.1
| |-- test.2
| -- test.c
-- empty-- empty17 directories, 4 files
[ltVM-8-13-centos ~]$ rm empty
rm: cannot remove ‘empty’: Is a directory
[ltVM-8-13-centos ~]$ rm -r empty// -r 递归删除
[ltVM-8-13-centos ~]$ tree .
.
-- 106|-- lesson1| -- 106.txt-- lesson2|-- 107| -- 108|-- test.1|-- test.2-- test.c5 directories, 4 files
[ltVM-8-13-centos ~]$ man : man 1是一个查看命令 man 2 : 系统调用 man 3c: 接口的一个手册。
cp : 拷贝目录和文件 cp 文件 目录 cp - r 目录 目录 mv :类似剪切功能 移动文件和目录
[ltVM-8-13-centos 106]$ tree .
.
|-- cp_file
| -- file.txt
|-- file.txt
|-- lesson1
| -- 106.txt
-- lesson2|-- 107| -- 108|-- test.1|-- test.2-- test.c5 directories, 6 files
[ltVM-8-13-centos 106]$ mv lesson1 cp_file
[ltVM-8-13-centos 106]$ tree .
.
|-- cp_file
| |-- file.txt
| -- lesson1
| -- 106.txt
|-- file.txt
-- lesson2|-- 107| -- 108|-- test.1|-- test.2-- test.cmv: 对文件或者目录进行重命名。
[ltVM-8-13-centos lesson2]$ tree .
.
|-- 107
| -- 108
|-- test.1
|-- test.2
-- test.c2 directories, 3 files
[ltVM-8-13-centos lesson2]$ mv test.1 test//test 不存在的文件名
[ltVM-8-13-centos lesson2]$ tree .
.
|-- 107
| -- 108
|-- test
|-- test.2
-- test.c2 directories, 3 files
[ltVM-8-13-centos lesson2]$ more 文件名 less 文件名 :查看文本
hello 106 [1]
hello 106 [2]
hello 106 [3]
hello 106 [4]
hello 106 [5]
hello 106 [6]
hello 106 [7]
hello 106 [8]
hello 106 [9]
hello 106 [10]
hello 106 [11]
hello 106 [12]
hello 106 [13]
hello 106 [14]
hello 106 [15]
hello 106 [16]
hello 106 [17]
hello 106 [18]
test.txt
