Linux kernel 2.2~2.4 255 Linux Kernel 2.0 64 FreeBSD 255 Solaris 255 Solaris 2.x 247 HP-UX 255 Windows 95 32 Windows 98 128 Windows NT 54 Windows 2000 128 Accel linux, linux 255 Irix & linux 244 Firmware 31 Redhat linux, unix 4.0 246 Unix 4.0 248 Cisco router 255 Fedora 64 CentOS 64 HP-UX 255 Windows 9x/NT Intel 32 Windows 9x/NT Intel 128 Windows 2000 Intel 128 DigitalUnix 4.0 Alpha 60 Unisys x ..