Unix Basic

最新推荐文章于 2024-12-14 01:55:12 发布

原创最新推荐文章于 2024-12-14 01:55:12 发布 · 803 阅读

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#unix #basic #terminal #file #login #command

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本文围绕Unix系统展开，介绍了内核、shell和文件相关知识，列举了基本命令如cp、mv等，阐述了IO重新导向、用户管理操作，包括查看用户信息、改变文档属性等。还提及了Bash环境变量、挂载、网络配置、软件包管理，以及登录和注销系统、修改密码等内容。

部署运行你感兴趣的模型镜像

1. Kernel Shell and File.
2. Prom 状态命令与参数
（1）OK>
3. 环境变量
4.Basic Command:
(1) cp/mv/rm/mkdir/rmdir/cat/touch
(2) chmod
(3) df/du
(4)find
(5) ln -s <file> <file>
(6)man path:/usr/man
5. IO 重新导向
Standard IO
grep
6. User Management
1) File
drwxrwxrwx filename
r-4
w-2
x-1
mode : rwx rwx rwx r:read w:write x:execute
分别对应：owner, group, other
缺省权限由umask码控制

2) id
查看用户的uid/gid
3) chmod 改变文档或目录属性
chmod [-r/number] 文件名
chmod 755 file1 改变文件file1可被所有人读取和执行，只有owner可写.
chmod g+x file2 增加文件组用户对file2执行的权限
chmod o-r file3 除去其他使用者对file3读取的权限
4) chown -R username file 改变文件的owner
7 Bash
1) 环境变量：display, term, lang, prompt, path, classpath
2)环境文件：.login .profile .cshrc. .bashrc .kshrc
8. mount
9.network configuration
1)/etc
2) defaultrooter
3) hosts
4)netmasks

3)ifconfig -a

10. package
pkgadd -d [devicename]
pkgrm [device name]
pkginfo -l pkgname

11.Logoff and login
1) logOff : one can press ^d to logoff the current x-window, if it doesn't work, you can check eof, end of file, by stty -a.
2)log in: you should enter the correct username and password to login the unix system.
For each login, the system will require information concerning the computer's terminal type. Terminal type includes xterm/dtterm/vt100 and others, you can use:
TERM=xterm,
export $TERM
to define the terminal type, you can also use : echo $TERM to check what kind of terminal type that you use currently.
3) passwd
you can use the command “passwd “ to change password of user, the usage is “passwd [username]“, the default is changing the password of the current login user.