泉州市网站建设_网站建设公司_响应式网站_seo优化

一、目标

二、配置命令

2.1 文件查看

head -5 /etc/passwd | tail -1

2.2 文件查找

find / -name "[A-Z]*.txt" find /etc/ -name "host*" find / $HOME -name "*.txt" find / -iname "a.txt"

2.3 查找文件

grep "ro" /etc/passwd > /root/file1

2.4 打包压缩

mkdir /back tar -zcvf /back/etcback.tar.gz /etc/

2.5 alias永久生效

alias="echo "hello,everyone" > /file2" vim /etc/bashrc

然后再vim编译器中插入alias="echo "hello,everyone" > /file2"

2.6 创建用户和组

groupadd mygroup tail -1 /etc/group useradd myuser -g mygroup id myuser passwd myuser su - myuser

cd /home/myuser touch ex hv ll hv exit

chown :root /home/myuser/hv

2.7

groupadd g1 useradd redhat touch redhat.txt chown redhat:g1 redhat.txt