MultiTOS
| Developer | Eric Smith |
|---|---|
| Written in | C |
| Working state | Current |
| Source model | Open source |
| Initial release | June 1993 |
| Latest release | 1.18.0 / 18 March 2013 |
| Marketing target | Personal computers |
| Platforms | Atari ST, Firebee |
| Kernel type | Monolithic |
| Default user interface | GEM |
| License | Open source |
MiNT is Now TOS (MiNT) is a free software alternative operating system kernel for the Atari ST system and its successors. Together with the free system components fVDI device drivers, XaAES graphical user interface widgets, and TeraDesk file manager, MiNT provides a free TOS compatible replacement OS that can multitask.
Work on MiNT began in 1989, as the developer Eric Smith was trying to port the GNU library and related utilities on the Atari ST TOS. It turned out quickly, that it was much easier to add a Unix-like layer to the TOS, than to patch all of the GNU software, and MiNT began as a TOS extension to help in porting.
MiNT was originally released by Eric Smith as "MiNT is Not TOS" (a play on the slogan "GNU's Not Unix") in May 1990. The new Kernel got traction, with people contributing a port of the MINIX Filesystem and a port to the Atari TT.
At the same time Atari was looking to enhance the TOS with multitasking abilities, they found, that MiNT could fulfill the job and hired Eric Smith. MiNT was adopted as an official alternative kernel with the release of the Atari Falcon, slightly altering the MiNT acronym into "MiNT is Now TOS". Atari bundled MiNT with a multitasking version of the Graphics Environment Manager (GEM) under the name MultiTOS as a floppy disk based installer.
After Atari left the computer market, MiNT development continued under the name FreeMiNT, and is now maintained by a team of volunteers. FreeMiNT development follows a classic open-source approach, with the source code hosted on a public Concurrent Versions System (CVS) repository and development discussed in a public mailing list.
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