User:Superleaf1995/UDOS
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UDOS | |
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| Developed by: | Superleaf1995 |
| Kernel: | Time shared exokernel |
| Task Model: | 4-level round robin |
| Platform(s): | S/370, S/370-XA, S/390, zEC12, zBC12, z114, z196, z10, z9 (S390 and z/Arch families) |
| Language(s): | Assembly (GAS Syntax), C |
| License: | Unlicense (Public domain) |
UDOS is a small OS made for mainframes. It has an integrated console for executing commands and consists of the normal things an OS has: Memory management, VFS, Queued I/O commands, Disk drivers, Filesystem drivers, Text printing & Input processing. All of that but in the mainframe world.
It also supports the equivalent of SYSCALL, with it's own ABI.