Here are a few I've made and use all the time.
Unlock All Layers:
^C^C_-layer;_U;*;;
Lock All Layers:
^C^C-layer;lo;*;;
Delete existing box around text, edit text, spell check, add new box, give the new box a thickness of .5:
^C^Cerase;\;ddedit;\;spell;\;tcircle;\;;r;c;b;pedit;m;\;w;.5;;
Lock View Port:
^C^C-vports;lock;on;/;
Unlock View Port:
^C^C-vports;lock;off;/;
Basically you type the commands as if they were being entered into the command prompt, but you use ";" as the ENTER button and "\" as a pause for user input. (Please also note the a space bar entry acts the same as ";" and ENTER button). Let me know if you need anything else.