User:Superleaf1995/UDOS: Difference between revisions
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{{Infobox Project |
{{Infobox Project |
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|name= |
|name=UDOS |
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|image=uDOS.png |
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|developers=[[User:Superleaf1995|Superleaf1995]] |
|developers=[[User:Superleaf1995|Superleaf1995]] |
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|kerneltype= |
|kerneltype=Time shared exokernel |
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|platform=S/370, S/370-XA, S/390, zEC12, zBC12, z114, z196, z10, z9 ([https://en.wikipedia.org/wiki/IBM_Z S390 and z/Arch families]) |
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|platform=x86 |
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|taskmodel= |
|taskmodel=4-level round robin |
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|language=Assembly |
|language=[[Assembly]] ([[GAS|GAS Syntax]]), [[C]] |
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|license=Unlicense (Public domain) |
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|website=[http://www.economitopia.com/os.html economitopia.com] |
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|github=superleaf1995/leafdos |
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|license=BSD 2 |
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}} |
}} |
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''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. |
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'''LeafDOS''' or '''LeafOS''' is a 16-bit, [[Real Mode|real-mode]], diskette operating system for 8086+ computers. |
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It also supports the equivalent of SYSCALL, with it's own ABI. |
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== History == |
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The OS started in 2017, at that time it was called ZulyOS, later changed to RosarioOS. |
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In 2018, MilipedeOS was made, it was quite more a "proof of concept" rather than anything. |
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In 2019 i had no OSDev activity, but i learned TurboC and Assembly in the meantime. |
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Around 2020, LeafOS is made, and later renamed to LeafDOS with the premise 1of a [[User:Superleaf1995/AFPFS|now failed filesystem]]. As of now LeafDOS uses FAT12 as it's main filesystem due to long-term complications with AFPFS. |
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== Notable Features == |
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* Can load [[COM|.COM]] files, and write a pseudo-PSP (WIP). |
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* Simple memory manager ([[Page Frame Allocation|Flat-list]], ala MS-DOS). |
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* Uses [[FAT12]] as primary filesystem. |
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* Fully compatible with 8086+. |
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Latest revision as of 23:23, 20 April 2022
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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.