Operating systems of the 1990s
Every operating system in the Atlas that first appeared in the 1990s — 16 entries.
| Name | Years | Status | Family | Creator / origin |
|---|---|---|---|---|
| Coherent | 1990– | Dead | Independent | Mark Williams Company |
| GNU Hurd | 1990– | Dormant | Independent | GNU Project / FSF |
| Linux | 1991– | Alive | Linux | Linus Torvalds / kernel community |
| Plan 9 from Bell LabsPlan 9 | 1992– | Dormant | Unix | Bell Labs (Pike, Thompson et al) |
| Solaris | 1992– | Maintenance | Unix | Sun Microsystems → Oracle |
| Tru64 UNIXDigital UNIX, OSF/1 | 1992–2012 | Dead | Unix | DEC → Compaq → HP |
| FreeBSD | 1993– | Alive | BSD | FreeBSD Project |
| NetBSD | 1993– | Alive | BSD | NetBSD Project |
| Windows NT / Windows | 1993– | Alive | Windows | David Cutler team / Microsoft |
| FreeDOS | 1994– | Maintenance | DOS | Jim Hall & community |
| BeOS | 1995–2001 | Dead | Independent | Be Inc. (Jean-Louis Gassée) |
| Inferno | 1996– | Dead | Independent | Bell Labs / Vita Nuova |
| OpenBSD | 1996– | Alive | BSD | Theo de Raadt / OpenBSD Project |
| Windows CE | 1996– | Dead | Windows | Microsoft |
| SymbianEPOC32 | 1997–2013 | Dead | Independent | Psion → Symbian Ltd / Nokia |
| ReactOS | 1998– | Alive | Windows | ReactOS Project |