Linux简单操作

1.创建目录：

   [root@rhcsa ~]# mkdir test

   [root@rhcsa ~]# cd test
   [root@rhcsa test]# touch text1.txt text2.txt
   [root@rhcsa test]# vim text1.txt

编辑模式:

  1 Welcome to my Linux.
  2 You are the best.
  3 This is my first file to create on linux

末行模式:

:set nu

:% s/my/your/g

：w new_test1.txt

建立连接：

[root@rhcsa test]# cp ./* /root/test2
[root@rhcsa test]# mv test1.txt test111.txt
[root@rhcsa test]# ln -s test111.txt test111_symb.txt
[root@rhcsa test]# ln test111.txt test111_hard.txt
[root@rhcsa test]# rm text1.txt
[root@rhcsa test]# cd ..

2.输出内容并保存：

[root@rhcsa ~]# echo "This is my first time to use pipe" | tee pipe_data.txt
 

3.文件内容浏览:
[root@rhcsa ~]# cat -n/etc/password
[root@rhcsa ~]# more -10/etc/password
[root@rhcsa ~]# less -10/etc/password
[root@rhcsa ~]# head -5 /etc/password
[root@rhcsa ~]# tail -5 /etc/password