Subcategories:
System / Configuration / NetworkingSystem / Base
System / Configuration / Other
System / Kernel and hardware
System / Configuration / Packaging
System / Libraries
System / Servers
System / X11
System / Configuration / Printing
System / Configuration / Boot and Init
System / Legacy libraries
System / Internationalization
System / Configuration / Hardware
System / XFree86
System / Fonts / True type
System / Fonts / X11 bitmap
System / Fonts / Type1