系统自带
1.pwd:print working directory
2.man:manual
3.su:switch user
4.cd:change directory
5.ls:list files
6.ps:process status
7.mkdir:make directory
8.rmdir:remove directory
9.mkfs:make file system
9.fsck:file system check
10.cat:concatenate
11.uname:unix name
12.df:disk free
13.du:disk usage
14.lsmod:list modules
15.mv:move file
16.rm:remove file
17.cp:copy file
18.ln:link files
19.fg:foreground
20.bg:background
21:chown:change owner
22.chgrp:change group
23.chmod:change mode
24.umount:unmount
25.dd:convert an copy
26.tar:tape archive
27.ldd:list dynamic dependencies
28.alias:别名
29.touch
30.netstat -nap | grep node 监听的端口的进程id
31.kill -9 进程id 手动杀死进程

其他软件安装
1.subl 打开sublime
2.django-admin startproject mysite 创建python 工程
3.tree 树形目录展开
4.google-chrome (加&表示后台打开)
5.android-studio
6.gedit
7.sudo ntfsfix /dev/sda7 修复挂载