Operating System Names
- Last Updated
- 2010-10-19
- Available Formats
-

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Registry Included Below
Operating System Names
- Registration Procedure(s)
-
First Come First Served
- Reference
- [RFC952]
- Note
-
These are the Official System Names as they appear in the Domain Name System HINFO records and the NIC Host Table. Their use is described in [RFC952]. More have been added since the publication of [RFC952]. A system name may be up to 40 characters taken from the set of uppercase letters, digits, and the three punctuation characters hyphen, period, and slash. It must start with a letter, and end with a letter or digit.
- Available Formats
-

CSV
| Name |
|---|
| AEGIS |
| AMIGA-OS-1.2 |
| AMIGA-OS-1.3 |
| AMIGA-OS-2.0 |
| AMIGA-OS-2.1 |
| AMIGA-OS-3.0 |
| AMIGA-OS-3.1 |
| AMIGA-OS-3.5 |
| AMIGA-OS-3.9 |
| APOLLO |
| AIX/370 |
| AIX-PS/2 |
| BEOS-4.5.2 |
| BEOS-5.0 |
| BS-2000 |
| CEDAR |
| CGW |
| CHORUS |
| CHRYSALIS |
| CMOS |
| CMS |
| COS |
| CPIX |
| CTOS |
| CTSS |
| CYGWIN |
| DCN |
| DDNOS |
| DOMAIN |
| DOS |
| ECOS |
| ECOSPRO |
| EDX |
| ELF |
| EMBOS |
| EMMOS |
| EPOS |
| FOONEX |
| FREEBSD |
| FORTH |
| FUZZ |
| GCOS |
| GPOS |
| HDOS |
| IMAGEN |
| INSTANT-INTERNET |
| INTERCOM |
| IMPRESS |
| INTERLISP |
| IOS |
| IRIX |
| ISI-68020 |
| ITS |
| KOSOS |
| LINUX |
| LINUX-1.0 |
| LINUX-1.2 |
| LINUX-2.0 |
| LINUX-2.2 |
| LINUX-2.4 |
| LINUX-2.6 |
| LISP |
| LISPM |
| LOCUS |
| MACOS |
| MINOS |
| MOS |
| MPE5 |
| MPE/V |
| MPE/IX |
| MSDOS |
| MULTICS |
| MUSIC |
| MUSIC/SP |
| MVS |
| MVS/SP |
| NETBSD-1.0 |
| NETBSD-1.1 |
| NETBSD-1.2 |
| NETBSD-1.3 |
| NETWARE-3 |
| NETWARE-3.11 |
| NETWARE-4.0 |
| NETWARE-4.1 |
| NETWARE-5.0 |
| NEXUS |
| NMS |
| NONSTOP |
| NOS-2 |
| NTOS |
| OPENBSD |
| OPENVME |
| OPENVMS |
| OS/DDP |
| OS/2 |
| OS4 |
| OS86 |
| OSX |
| PCDOS |
| PERQ/OS |
| PLI |
| PSDOS/MIT |
| PSOS |
| PRIMOS |
| RISC-OS |
| RISC-OS-3.10 |
| RISC-OS-3.50 |
| RISC-OS-3.60 |
| RISC-OS-3.70 |
| RISC-OS-4.00 |
| RMX/RDOS |
| ROS |
| RSX11M |
| RTE-A |
| SATOPS |
| SINIX |
| SCO-OPEN-DESKTOP-1.0 |
| SCO-OPEN-DESKTOP-1.1 |
| SCO-OPEN-DESKTOP-2.0 |
| SCO-OPEN-DESKTOP-3.0 |
| SCO-OPEN-DESKTOP-LITE-3.0 |
| SCO-OPEN-SERVER-3.0 |
| SCO-UNIX-3.2.0 |
| SCO-UNIX-3.2V2.0 |
| SCO-UNIX-3.2V2.1 |
| SCO-UNIX-3.2V4.0 |
| SCO-UNIX-3.2V4.1 |
| SCO-UNIX-3.2V4.2 |
| SCO-XENIX-386-2.3.2 |
| SCO-XENIX-386-2.3.3 |
| SCO-XENIX-386-2.3.4 |
| SCS |
| SIMP |
| SUN |
| SUN-OS-3.5 |
| SUN-OS-4.0 |
| SWIFT |
| TAC |
| TANDEM |
| TENEX |
| THE-MAJOR-BBS |
| TOPS10 |
| TOPS20 |
| TOS |
| TP3010 |
| TRSDOS |
| ULTRIX |
| UNIX |
| UNIX-BSD |
| UNIX-V1AT |
| UNIX-V |
| UNIX-V.1 |
| UNIX-V.2 |
| UNIX-V.3 |
| UNIX-PC |
| UNKNOWN |
| UT2D |
| V |
| VM |
| VM/370 |
| VM/CMS |
| VM/SP |
| VMS |
| VMS/EUNICE |
| VRTX |
| WAITS |
| WANG |
| WIN32 |
| WINDOWS-95 |
| WINDOWS-95-OSR1 |
| WINDOWS-95-OSR2 |
| WINDOWS-98 |
| WINDOWS-CE |
| WINDOWS-NT |
| WINDOWS-NT-2 |
| WINDOWS-NT-3 |
| WINDOWS-NT-3.5 |
| WINDOWS-NT-3.51 |
| WINDOWS-NT-4 |
| WINDOWS-NT-5 |
| WINDOWS-NT-5.1 |
| WINDOWS-NT-6 |
| WINDOWS-NT-6.1 |
| WORLDGROUP |
| WYSE-WYXWARE |
| X11R3 |
| XDE |
| XENIX |