ftp://ftp.wu-wien.ac.at/pub/src/X11R6.3/xc/programs/Xserver/hw/xfree86/os-support/  direct

[DIR]sysv/  direct  3837+ twin directories
[DIR]solx86/  direct  95 twin directories
[DIR]shared/  direct  9414+ twin directories
[DIR]sco/  direct  1549+ twin directories
[DIR]os2/  direct  7150+ twin directories
[DIR]misc/  direct  65535+ twin directories
[DIR]minix/  direct  3529+ twin directories
[DIR]mach/  direct  21499+ twin directories
[DIR]lynxos/  direct  981+ twin directories
2.34 KB  1997-10-04ls-ltR.Z  4 mirrors
2.35 KB  1997-10-04ls-lR.Z  4 mirrors
[DIR]linux/  direct  31577+ twin directories
[DIR]bsdi/  direct  436+ twin directories
[DIR]bsd/  direct  4099+ twin directories
[DIR]amoeba/  direct  922+ twin directories