SCO UNIX System V/386 was the successor to SCO Xenix, derived from AT&T System V Release 3.2 with an infusion of Xenix device drivers and utilities. SCO UNIX System V/386 Release 3.2.0 was released in 1989 as the commercial successor to SCO Xenix. The base operating system did not include TCP/IP networking or X Window System graphics; these were available as optional extra-cost add-on packages. Shortly after the release of this bare OS, SCO shipped an integrated product under the name of SCO Open Desktop, or ODT. 1994 saw the release of SCO MPX, an add-on SMP package.

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Unix / The Santa Cruz Operation

SCO Unix 3.2 v4.21

SCO Unix Release 3.2 Version 4.21. The rar file contains 14 floppy volumes (3 x installation volumes, 3 x basic utilities volumes, 7 x extended utilities volumes and 1 x games volume). S/N and key are also included.

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Unix / SCO

SCO Unix 3.2 v4.0 4.0

SCO Unix 3.2 Version 4.0, machine type: u386, media type: 5.25" disk images, activation key required

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Unix / SCO

SCO Unix 3.2.1 Chinese 3.2.1

SCO UNIX System V/386 3.2.1 Chinese. Taken from a Chinese compilation CD released in 1996. SCOU321.ZIP included 47 HD-Copy 5.25" floppy disk images file and SCOU321C.ZIP included self-made converted raw 5.25" floppy disk images (except UPGRADE.IMG). NOTE: 1. This may not be dumped from original SCO Media. 2. UPGRADE.IMG is write-protected.

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Unix / SCO

SCO Unix 3.2.4.2 System V 3.2.4.2

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Unix / The Santa Cruz Operation

Sco UNIX SystemV System V

Sco UNIX SystemV Dissk images B1-B2-B3 X1_X2_X3 M1

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DOS / SCO

SCO Xenix 386 2.2.3b

Possibly the earliest known SCO Xenix for 386.

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SCO Xenix 386 2.2.3c

Restored copy of the broken version floating around. Tested and appears to work.

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DOS / SCO

SCO Xenix 286 2.2.1

This is a version of Xenix for 286 CPUS. Xenix is a multitasking multiuser operating system based on Unix.

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DOS / SCO

SCO Xenix 86 2.1.3

This is a version of Xenix for 8088/8086 CPUS. Xenix is a multitasking multiuser operating system based on Unix.

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DOS / SomBRA softwares

SD-BRA 0.0.17

SomBRA um OS brasileiro

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Windows NT/2000 / Microsoft Corporation

Service Pack 6a per Windows NT 4.0

Strumento di aggiornamento per Windows NT 4.0 (i386)

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DOS / Sharp/Microsoft

Sharp MS-DOS 3.2

Sharp MS-DOS 3.2 OEM version for PC-4600

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DOS / Siemens/IBM/Toshiba/Digital Research

Siemens PG685 (Simatic S5) MS-DOS 2.11 (very, very rare) 2.11

Siemens Simatic S5 Programmer PG685 MS-DOS Version 2.11 (usually you can find only Personal CP/M 2.11 for it, now this is a working boot disk) !

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DOS / Itautec

SISNE 3.30

A DOS 3.3-compatible OS (in fact, a pirated copy of DOS) used in old computers manufactured by the Brazilian company ITAUTEC.

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Windows 9x/ME / 2004

Skin 9X 1.0

programa de skin para windows 98/ME!

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Unix / Robert Szeleney

SkyOS Beta 398

An earlier version of SkyOS from before it went commercial

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Unix / Robert Szeleney

SkyOs Beta 6947 Beta 6947

Final release of SkyOs that was released free to public. Check beta.png for user and key. Does not use linux kernel, but was forced to pick an os option.

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DOS / Patrick Volkerding

Slackware 1.01

This is an early distribution of Linux. Packed in 1.44M Floppy format

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DOS / Microsoft

smartdrive 2.0

Disk Drive Cache Memory Win386 SDVXD Device (Version 2.0)

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Windows XP / 2009

Smooth

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Windows XP / Emulators Inc

Softmac XP Express Edition 8.8

Apple Macintosh Emulator

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DOS / Bogdan Valentin Ontanu

Solar OS v0.1.114.00

Small x64 operating system, fits on one floppy disk

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DOS / Sun microsystems

Solaris 1.1.2 1.1.2

SunOS/Solaris is the operating system used on early Sun Sparc equipment. Solaris 1.1.2 is also branded as SunOS 4.1.4. This archive contains a CD ISO of Sun Solaris 1.1.2.

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DOS / Sun

Solaris 2.5 Source Code 2.5

Has support for the sun4, sun4c sun4d sun4e sun4m sun4u hardware platforms.

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DOS / Sun

Solaris Source Code 2.6

Source code for Solaris 2.6. Platforms include the sun4c sun4d sun4m sun4u

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Solaris Source Code 2.7

Source code to SUN Solaris 2.7. Hardware platforms include the x86 pc.

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Solaris Source Code 5.8

Solaris 5.8 source code. Platforms include the x86 pc, sun4d, sun4m and sun4u.

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DOS / SomBRA softwares

SomBRA 0.3.5a

SomBRA um sistema operacional brasileiro

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DOS / Apple

Source Code to MacOS 7.1.1

The source code to MacOS 7.1.1

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DOS / Eclipse Technologies

StupenDOS 5.0

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DOS / Sun microsystems

Sun os 2.0 2.0

Code base BSD 4.2,Introduced virtual file system (VFS) layer and the NFS protocol

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DOS / Sun microsystems

Sun os 3.2 3.2

First support for Sun-4 series

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DOS / Sun microsystems

Sun os sun2 4.0.3

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Unix / Sun microsystems

SunOS 3.5

This Archive contains files and programs suitable for installing SunOS 3.5 for sun3 architecture. It is derived from the Sun3 MC68020 install tapes (5 tapes, QIC-24 format). It will work on the following Sun3 MC68020 models: 3/50 3/60 3/75 3/110 3/140 3/150 3/160 3/180 3/260 3/280 3/E It will NOT work on the Sun3x MC68030 models (3/80 3/460 3/470 3/480)

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Unix / Sun

SunOS Source Code 4.1.3

This is the SunOS 4.1.3 SUNSRC CD-ROM. It contains the source in 3 forms. 1. plain text source, as a ufs tree, rooted at the top level of this filesystem. Symlinks to the SCCS hierarchy are in place. 2. SCCS hierarchy, rooted at SCCS_DIRECTORIES. 3. a tar image of the SCCS hierarchy, in a file named 4.1.3_SUNSRC.tar. This is rooted at ./SCCS_DIRECTORIES. Please see the SunOS 4.1.3 Source Installation Guide for further details.

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DOS / Sun