Minerva| Developer | Laurence Reeves |
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| OS family | Sinclair QDOS |
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| Source model | Open source |
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| |Final release|Latest release}} | 1.89 |
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| Platforms | Sinclair QL |
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| License | GNU General Public License |
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Minerva is a reimplementation of Sinclair QDOS, the built-in operating system of the Sinclair QL line of personal computers. Written by Laurence Reeves in England , Minerva incorporates many bug fixes and enhancements to both QDOS and the SuperBASIC programming language. Later versions also provide the ability to multi-task several instances of the SuperBASIC interpreter, something not supported by QDOS.
Minerva was distributed as a ROM chip on a daughterboard which replaces the QL's original ROM chips. A Minerva Mk. II daughterboard also incorporates an I²C interface and non-volatile real-time clock. As of version 1.89, the Minerva source code is licensed under the GNU General Public License.
Other reimplementations of QDOS include SMS2 and SMSQ/E.
External links
- Laurence Reeves' page, includes complete Minerva source code
- TF Services Minerva page
Operating systems |
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| General |
- Advocacy
- Comparison
- Forensic engineering
- History
- Hobbyist development
- List
- Timeline
- Usage share
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| Kernel | | Architectures |
- Exokernel
- Hybrid
- Microkernel
- Monolithic
- vkernel
- Rump kernel
- Unikernel
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| Components |
- Device driver
- Loadable kernel module
- Microkernel
- User space
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| Process management | | Concepts |
- Context switch
- Interrupt
- IPC
- Process
- Process control block
- Real-time
- Thread
- Time-sharing
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Scheduling
algorithms |
- Computer multitasking
- Fixed-priority preemptive
- Multilevel feedback queue
- Preemptive
- Round-robin
- Shortest job next
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Memory management and
resource protection |
- Bus error
- General protection fault
- Memory protection
- Paging
- Protection ring
- Segmentation fault
- Virtual memory
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Storage access and
file systems |
- Boot loader
- Defragmentation
- Device file
- File attribute
- Inode
- Journal
- Partition
- Virtual file system
- Virtual tape library
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| List |
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- RSX-11
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- z/OS)
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- TPF line
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- Transaction Processing Facility)
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| Miscellaneous concepts |
- API
- Computer network
- HAL
- Live CD
- Live USB
- OS shell
- PXE
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 | Original source: https://en.wikipedia.org/wiki/Minerva (QDOS reimplementation). Read more |
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