To install the text menu, do the following:

1. Close Half-Life

2. Copy HLampMenu.cfg, HLampMenu2.cfg, and HLampMenu3.cfg to your mod's directory (e.g. C:\SIERRA\Half-Life\cstrike)

3. Add this line to your autoexec.cfg in your mod's directory--create it if it 
   doesn't exist already.

   exec HLampMenu.cfg

4. Run Half-Life and bind a key to "root_do". For example, in the console do "bind j root_do" <ENTER>.

5. Press the key you bound to "root_do" and you'll see the menu in the top-left 
   corner of the screen. Use the top row of number keys to navigate the menu.