HP-UX was a number 1 Unix to utilise access control lists for file access permissions rather than a standard Unix permissions formulas. HP-UX was as well among the number 1 Unix systems to include a built-integral logical volume manager, a derivative of the Veritas Volume Manager (VVM). HP has got an extended partnership by having Veritas, & it utilise VxFS as their primary file system. For technical indicator reasons, notwithstanding, a file rules utilized for the boot kernel has remained HFS (a variant of UFS) and so this older technology has continued to receive trend lines from either HP.

Resulting a merger of HP using Compaq in 2001, plans were made to merge a Tru64 TruCluster technology with HP-UX. This was potential to occur using a release of the long-delayed 11i v3 version. Nevertheless, HP experienced suffered employment reductions inside key departments when you took a economic downswing, so at a prevent of 2004 the decision was processed to cancel this plan. Instead HP would locate Veritas on a clustering solution.

Since astir 2000, a focus of HP-UX has more & more get on enhanced dependableness, security, and partitioning. the dependability is provided across clustering technology & pack failover in a patterns outage, likewise when redundant devices, increased quality researching, & error monitoring & correction. Security features use at times significantly increased by using 11i v2, by using a addition of kernel-depending intrusion detection, heavy random total generation, fold buffer overflow protection, security partitioning, role-depending access management, & various open source security information. A body partitioning ranges from either devices partitions to isolated OS virtual partitions, & last a Virtual Server Environment (VSE).

When of HP-UX 11i v2 release, a operating patterns might shell when follows:

128 processors (expandable to 256) One Tb main memory 32 Tb maximal file system Two Tb maximal file size

Release history
Before a release of HP-UX version Eleven.Eleven, HP utilized the decimal version numbering scheme with a total 1 total yielding a major release & a number resulting a decimal showing a nipper release. By using Xi.Eleven, HP produce the marketing decision to name their releases Xi personallyi followed by the v(decimal-total) for the version. A we was designed to suggest the OS is internet-enabled, however a efficacious effect was a dual version-numbering scheme. (A title vary was apparently manufactured to respect the World War I Armistice anniversary, which occurs on 11.11 in nations that use decimal dates.)

A number Unity version of HP-UX was 1.Cypher, built astir 1983. a OS has undergone a series of updates & sweetening since that period, by owning the Niner.Cypher release inside July, 1992 beginning the Ennead.ten series.

Nine.ten (1992–1995) — 9.00, Niner.01, Ennead.03 (s700), Ix.04 (s800), Ix.05, Ennead.07, Nina from carolina.Tenner. These provided trend lines for the series 300, 700 & 800 HP systems. X.Cipher (1995) — This major release saw a convergence of a operating models between the series 700 (workstation) & series 800 (server) systems. (A OS there is no yearn supported a older series.) There was likewise a important vary in the layout in the rules files & directories, according to the AT&T SVR4 UNIX standard. Applications were flushed from either /usr & moved under /opt; startup configuration files were positioned under /etc/rc.config.d; users were moved to /home from either /users, &c. A Logical Volume Manager (LVM) was presented at 10.Cypher as a replacement for the older methods of disk management. Programs package for HP-UX was okay, packaged, shipped, installed, & flushed via a Software Distributor (SD) tools. Ten.Twenty (1996) — This release included trend lines for PA-RISC processors that trend lines PA2.Zero, including 64-bit information registers. Pluggable Authentication Modules (PAM) were introduced for have in CDE. A root file body can be configured to utilize a Veritas VxFS. Decade.Xx besides supported 32-bit user & class action identifiers. A anterior even limit was 60,000, or Xvi-bit. This & earliest releases of HP-UX come nowadays profits obsolete, & trend lines by HP endways June 30, 2003. Tenner.Two dozen — This occurs as Virtual Vault release of HP-UX, providing enhanced security features. X.Xxx (1997) — This was primarily a creator release sustaining various incremental sweetening. A utilise of PAM continued to expand in the patterns security components. Various changes to supervisor call instruction were besides manufactured. This OS besides provided the number a single trend lines for Kernel Threads, by owning a 1x1 thread model (apiece user thread is attached to one kernel thread). Tenner.Thirty was as well a number one release of HP-UX that was fully year 2000 compliant. Eleven.00 (1997) — The foremost HP-UX release to as well trend lines 64-bit addressing; last releases got been 32-bit single. It can however process 32-bit applications in the 64-bit rules. This release was as well deemed Y2K-compliant. It supported One×One kernel threads, symmetric multiprocessing, fibre channel, and NFS PV3. It too involved information & documentation to convert 32-bit code to 64-bit. Xi.04 — Virtual Vault release. Eleven.X — This was a limited release to trend lines the V2500 SCA (Scalable Computing Architecture) & V2600 SCA servers. More versions supported a V-class server within one cabinet configuration, Eleven.Decade ran in the SCthe versions in which 2 servers come stacked on top of eachother, interconnected by a hyperplane crossbar. Xi.Ten likewise added JFS Three.Tercet, 128-CPU trend lines, AutoFS, & the freshly ftpd. It was non available on an individual basis. Xi.Eleven (2000) — Also referred to as 11i, this release of HP-UX introduced a conception of Operating Environments. Which are actually bundled groups of superimposed applications meant for have by owning the general category of usage. A available types were a Mission Critical, Enterprise, Internet, Technical indicator indicator Computing, & Minimal Technical OEs. (A previous deuce were meant for HP 9000 workstations.) A independent sweetening sustaining this release were trend lines for protective partitions, gigabit ethernet, NFS over TCP/IP, dynamic kernel tunable parameters, and secure stacks. Eleven.Twenty (2001) — Also referred to as 11i v1.Quint, this release of HP-UX was a number 1 to trend lines a future line of Itanium-based (IA64) systems. It was non arranged for mission critical computing environments & did non trend lines HP's ServiceGuard clustering computer software. It did provide trend lines for heading PA-RISC compiled applications in IA64 systems, & for Veritas Volume Manager 3.One. Xi.Twenty-two (2002) — An incremental release of the Itanium version of HP-UX, it was designated 11i v1.Sestet. This version achieved 64-way scalability, MxN threads, added more dynamic kernel tunable parameters, & supported HP's Logical Volume Manager in IA64. It was built from either a 11i v1 source code stream. Eleven.Twenty-three (2003) — The original release of this version was inside September 2003 to support a Itanium-depending systems. Inside September 2004 the OS was updated to provide support for each Itanium & PA-RISC systems. This version is besides identified when 11i v2. Besides running off in IA-64 systems, this release includes trend lines for BIND 9.2.Cipher, ccNUMA, web-based kernel & device configuration, IPv6, Mozilla Application Suite, Sendmail 8.11.I, hard random total generation, & wu-ftpd.

Operating Environments
Operating Environments (OEs) come tested & integrated application bundles designed to operate sustaining a operating models & provide a functionality required for the rules's purpose. A resulting lists a presently available HP-UX 11i v2 OEs:

HP-UX 11i v2 Foundation OE (FOE) — Designed for the demands of Web servers, contented servers & front-prevent servers, this OE includes applications like HP-UX Web Server Suite, Java, and Mozilla Application Suite. This OE is bundled when HPUX11i-OE. HP-UX 11i v2 Enterprise OE (EOE) — Designed for database application servers & logic servers, this OE contains a HP-UX 11i v2 Foundation OE bundles & extra applications like GlancePlus Pak to enable an enterprise-level server. This OE is bundled when HPUX11i-OE-ENT. HP-UX 11i v2 Mission Critical OE (MCOE) — Designed for a big, right back-prevent application servers & database servers that access client files & treat dealing processing, this OE contains the Enterprise OE bundles, + applications like MC/ServiceGuard and Workload Manager to enable a mission-critical server. This OE is bundled when HPUX11i-OE-MC. HP-UX 11i v2 Minimal Technical indicator OE (MTOE) — Designed for workstations heading HP-UX 11i v2, this OE includes a Mozilla Application Suite, Perl, VxVM, and Judy applications, + a OpenGL Graphics Developer's Kit. This OE is bundled when HPUX11i-MTOE. HP-UX 11i v2 Technical indicator Computing OE (TCOE) — Designed for two compute-intensive workstation & server applications, this OE contains a MTOE bundles + extensive graphics applications & Maths Libraries. This OE is bundled when HPUX11i-TCOE.