/usr

In general, software must not be installed or managed via the above symbolic links. They are intended for utilization by users only. The difficulty is related to the release version of the X Window System - in transitional periods, it is impossible to know what release of X11 is in use. /usr/X11R6/bin XFree86 system binaries. These are necessary for the initialisation, configuration and running of

[daruyanagi]

“The name hasn't changed, but it's meaning has narrowed and lengthened from "everything user related" to "user usable programs and data". As such, some people may now refer to this directory as meaning”