added file for bash things

docs/bash.md

@@ -0,0 +1,35 @@
+# bash
+
+## shortcut list
+| Shortcut   | Action |
+| :--------- | :----- |
+| ctrl+a     | go to the start of the line |
+| ctrl+e     | go to the end of the line |
+| ctrl+b     | move one character backwards |
+| ctrl+f     | move one character forwards |
+| alt+b      | move one word backwards |
+| alt+f      | move one word forwards |
+| **ctrl+w** | delete to last white space |
+| alt+?      | show completion options |
+| **ctrl+r** | search command history backwards |
+| ctrl+g     | exit history search |
+| ctrl+p     | previous command in history |
+| ctrl+n     | next command in history |
+| ctrl+o     | run command and re-enter it |
+| ctrl+l     | clear screen |
+| ctrl+s     | suppress output to screen |
+| ctrl+q     | resume output to screen |
+| ctrl+c     | terminate command |
+| ctrl+z     | suspend current command (resume with `fg`) |
+| **ctrl+d** | exit shell |
+
+## unbind shortcuts
+bash shortcuts can be disabled with the following command in `.bashrc`/`.bash_profile`:
+```bash
+bind -r "<shortcut-to-unbind>"
+```
+Example:
+```bash
+bind -r "\C-h"
+```
+`\C` is CTRL, `\M` is ALT