IBM OS/2 LAN Server (1990) 2 DOS

IBM LAN Server is a powerful print and file server system with many advanced features for the OS/2 operating system. It supports both OS/2 and DOS clients. It was a close cousin to Microsoft LAN Manager, which became a core component of Windows NT.

• 1.x

Microsoft OS/2 SDK (1987) 10 DOS OS2

The Microsoft OS/2 SDK includes pre-release builds of OS/2, beta development tools, sample code, and loads of documentation. These were released prior to the OS/2 1.0 and 1.1 releases. Microsoft charged $3,000 in 1987 for the SDK. It was criticized as overpriced, buggy, and slow.

• 1.00-1.01
• 1.02
• 1.03
• 1.04
• 1.05
• 1.06
• 1.10