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Sun Solaris
The Solaris Operating System, is a free Unix-based
operating system introduced by Sun Microsystems in 1992
as the successor to SunOS. Solaris is known for its
scalability, especially on SPARC systems, as well for
being the origin for many innovative features such as
DTrace and ZFS. Solaris supports SPARC-based and
x86-based workstations and servers from Sun and other
vendors.
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IBM AIX
The AIX® operating system is an open
standards-based, UNIX® operating system that allows you
to run the applications you want, on the hardware you
want—IBM UNIX OS-based servers. AIX in combination with
IBM's virtualization offerings, provides new levels of
flexibility and performance to allow consolidation of
workloads on fewer servers which can increase efficiency
and conserve energy. AIX delivers high levels of
security, integration, flexibility and
reliability—essential for meeting the demands of today's
information technology environments. AIX operates on the
IBM systems based on Power Architecture® technology.
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Hewlett-Packard HP-UX
HP-UX (Hewlett Packard UniX) is Hewlett-Packard's
proprietary implementation of the Unix operating system,
based on System V (initially System III). It runs on
their PA-RISC range of processors and Intel's Itanium
processor. HP-UX was the first Unix to use access
control lists for file access permissions rather than
the standard Unix permissions system. HP-UX was also
among the first Unix systems to include a built-in
logical volume manager.
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SCO OpenServer
SCO OpenServer, previously SCO UNIX and SCO Open Desktop
(SCO ODT), is a closed source version of the Unix computer
operating system developed by Santa Cruz Operation (SCO) and
now maintained by the SCO Group. |