Files and directory structure

Quake

By default Quake is installed into x:/quake.

/quake
    quake.exe    
    
    /id1
        pak0.pak
        pak1.pak

pak0.pak and pak1.pak hold all the games' data like graphics, sounds, models and maps.

ezQuake

/quake
    /id1
    /ezquake
        /configs
        /sb
    /qw
        /maps
        /progs
        /skins
        /sound
        /textures
            /bmodels
            /charsets
            /models