bash or zsh shortcuts
原来我不太喜欢终端环境，其中一个比较大的原因是：辛苦敲了一大串字，发现有错，老老实实的将手指挪动到方向键，左左右右，左右，右左-_-
google 找了，发现大量的 shortcuts ，又可以开心的在终端下，开心的玩耍了
罗列如下:
| option | action | PS |
|---|---|---|
| CTRL-c | Stop current command | |
| CTRL-z | Sleep program | |
| CTRL-a | Go to start of line | |
| CTRL-e | Go to end of line | |
| CTRL-u | Cut from start of line | |
| CTRL-w | delete a word in front the Cursor | |
| CTRL-k | Cut to end of line | |
| CTRL-r | Search history | |
| CTRL + l | Clear screen | |
| CTRL + s | Stop output to screen | |
| CTRL + q | Re-enable screen output | |
| !! | Repeat last command | |
| !abc | Run last command starting with abc | |
| !abc:p | Print last command starting with abc | |
| !$ | Last argument of previous command | |
| ALT-. | Last argument of previous command | |
| !* | All arguments of previous command | |
| ^abc ^123 | Run previous command, replacing abc with 123 |