Added shortcuts for commonly used editors.

FAQ.md

@@ -118,3 +118,17 @@ $ printf "\033[91mHello\033[0m world.\n" > motd.txt
 ```
 
 Will print "Hello" in red, then "world." in the default color. [More about escape codes here](http://wiki.bash-hackers.org/scripting/terminalcodes).
+
+Shortcuts to insert an Esc code, for commonly used editors (from [LinuxQuestions](http://www.linuxquestions.org/questions/linux-from-scratch-13/add-some-color-and-other-stuff-to-your-lfs-login-4175412484/)):
+
+If using ```vi```:
+```CTRL+v then Esc```
+
+If using ```emacs```:
+```CTRL+q then Esc```
+
+If using ```nano```:
+```Esc then v then Esc```
+
+Using simply ```bash```:
+```echo -e "\x1b"```