Microsoft earlier today, in collaboration with IBM, announced that it is open-sourcing the MS-DOS 4.00 source code. The company has explained what was special about it and how to run it. Recently, we ...

Microsoft has open-sourced another bit of computing history this week: The company teamed up with IBM to release the source code of 1988’s MS-DOS 4.00, a version better known for its unpopularity, ...

DOS 4.00 was supposed to add multitasking to the OS, but it was not to be.

SafeBreach researchers demonstrate how attackers can crash Windows domain controllers and build a botnet using unauthenticated RPC and LDAP vulnerabilities. At DEF CON 33, security researchers ...

If you are an inveterate tinkerer—and a lot of scientists can certainly be classified as such—it's likely that you'll eventually develop a yen for customizing your PC once the pleasure of mastering ...

Microsoft veteran Raymond Chen is once again spilling the beans on how Windows 95 became one of the most influential ...

After [Andy]’s discovery of an old ISA soundcard at his parents’ place that once was inside the family PC, the onset of a wave of nostalgia for those old-school sounds drove him off the deep end. This ...