This section lists the minimal operating system requirements for each Unix system.
platform OS level
sparc-sun-solaris2 Solaris 2.x
sparc-sun-sunos4.1.3 SunOS 4.1.x
mips-dec-ultrix Ultrix 4.2
rs6000-ibm-aix AIX 3.2
mips-sgi-irix4 Irix 4.x
m68k-hp-hpux HP/UX 8.x
hppa1.1-hp-hpux HP/UX 8.x
i386-sysv4.2 UnixWare SysVr4.2, version 1.1.1
alpha-dec-osf1.3 OSF/1 1.3