48 The IBM Eserver BladeCenter JS20
3.1 Operating system support
The BladeCenter JS20 is supported by the AIX and Linux operating systems. At
the time of this writing, AIX 5.2H, AIX 5.3, Red Hat Enterprise Linux 3.0, and
SUSE LINUX Enterprise Server (SLES) are the supported operating systems on
this platform.
Both AIX and Linux operating systems work with a 64-bit kernel and mostly 32-bit
userland programs. Some of the included programs were compiled for 64 bit
when the code fully exploited the 64-bit address space.
3.1.1 AIX
AIX has evolved from its beginnings on the IBM RT to becoming the operating
system of choice for IBM’s largest UNIX servers. AIX is an enterprise operating
system that scales from workstations all the way up to massively ...