- Technology
- UNIX® SVR4, Symmetric Multiprocessor (SMP) multithreaded, with fine-grained kernel locking
- Product Span
- Single OS for all R3000 and R4000 based systems, desktop to datacenter
- Suggested Memory
- 24MB or greater
- File Systems
- VFS (vnode) interface, EFS for 8GB file systems, XFS(tm) File System support for 1TB file systems, NFS , lv for striping, FAT (MSDOS) and HFS (Macintosh®) support on removable devices; CD support for ISO9660 and Rockridge format
- Loadable Device Drivers
- SVR4.0 MP DDI/DKI, loadable drivers
- Terminal Support
- STREAMS, international support
- IPC
- SVR4 messages, semaphores, shared memory, FIFOs; BSD sockets
- Real-Time Support
- Preemptible kernel, non-degrading priorities, memory lockdown, high-resolution timers, multithreaded application support, queued signals, deadline scheduling
- User MP Facilities
- Lightweight process parallelism, memory-based synchronization, processor affinity, parallelizing compilers (C and Fortran)
- Distributed Computing
- ONC 4.1 (NFS, NIS, RPC, automount, lockd, etc.) ONC+ (NFS version 3 protocol, Caching File System (CFS))
- Networking
- Sockets TCP/IP stack, TLI, DLPI driver interface; Ethernet, SLIP, PPP, HiPPI , FDDI interfaces supported
- Network Management
- SNMP with MIB II. NetVisualyzer(tm) , Cabletron SPECTRUM(tm) Network Management System
- Connectivity Products
- SNA(tm) (3270, LU6.2) , DECnet(tm) , LAT , OSI Transport
- System Administration
- Visual system administration toolchest, graphic system monitor IRIXpro(tm) system administration tools, Performance Copilot(tm) performance management tools
- Security
- Auditing, shadow passwords, password aging, expanded login options, B1 version available
- Backup/Restore
- Dump/restore, bru, cpio, tar; IRIS NetWorker(tm) for IRIX
- Printing Support
- Lpd, lpsched, IRIS Impressario(tm) printer management system
- Internationalization
- XPG3-compliant message catalogs locale support for currency, date, etc., wide character support, country kits
- Graphics Support
- OpenGL®, X11R5, X11R6, PEX, IRIX(tm) IM(tm), Display PostScript(tm)
- Software Development
- Developer Magic(tm) ProDev , ANSI C , C++ , Fortran 77 , Pascal , ADA
- Usability Features
- Indigo Magic(tm) user environment, Showcase(tm) presentation authoring tool, IRIS Explorer(tm) visualization framework, IRIS Inventor(tm), IRIS InSight(tm) SGML document reader and on-line documents, 4Dgifts : extensive demos and sample code