0 切换目录 cd
1 查看当前目录 pwd
2 生成目录 mkdir
3 搜索文件
4 查看当前的文件 ls
5 删除文件但保留特定类型 rm !(*)
例如： rm !(.tex|.eps)其中，.tex, .eps格式的文件会被保留下来。
6 打开pdf文档
目录
gnome-open xxx.pdf (用系统默认的软件打开pdf，在我的电脑上就是Foxit reader)
evince xxx.pdf (用evince打开pdf, 这个是linux系统默认自带的工具，不能对pdf做任何注释和修改，但优点是快速稳定)
content
目录
7 equivalent bash command
to rename a bash variable/command
alias fire='firefox'
fire
similar way is to set environment variable
export fire=firefox
however when you wish to use this variable, you need call it with a '$'
$fire
8 find files or directory
- find
# find file by filename
find /etc/path -name filename.type
# find file by size bigger than 1M
find /etc/path -size +1M
- grep
### grep 'texts' d*
9 view file content
you can use 'more' command to view a file, you can also use 'vim' to view a file, under vi mode you can modify a file, under more modle you can make any modification to your file. eg:
vi ~/.bashrc
more ~/.bashrc
10 bash variable
- read bash variable
To know the content of a bash variable name, you can use the above command.
echo variablename
11 environment path setting
- non interective environment file: /etc/profile; ~/.bash_profile
this environment setting will be loaded every time you run a bash command. - interective environment file: /etc/bashrc; ~/.bashrc
this environment setting will be loaded only once when you first log in as a user.
The bash environment files under /etc/ are configured by root for all users, normal user can only view them without any modification.
When you have made any change to bash environment setting file, you need to make them available by executing the above command.
source ~/.bashrc ~/.bash_profile
12 give file access permission
chmod 777
13 SFTP远程文件访问
通过sftp可以远程访问服务器的文件，并且可以通过get命令将文件复制到本地
sftp username@serverIP
cd proper/location
get -r foldername
get filename.type
exit
参考：
[1]https://askubuntu.com/questions/43264/how-to-open-a-pdf-file-from-terminal