Visopsys is an alternative operating system for PC compatible computers. Under development since late 1997, this system is small, fast, and open source. It features a simple but functional graphical interface, real preemptive multitasking, and virtual memory. Though it attempts to be compatible in a number of ways, Visopsys is not a clone of any other operating system. You can demo the distribution from a "live" CD or floppy disk.
| Tags | Operating System Kernels |
|---|---|
| Licenses | GPL |
| Implementation | C Assembly |
Recent releases


Changes: This preview of the next release offers an updated look and a number of new features, including JPEG image support, image resizing, 64-bit disk support, UDF (DVD) filesystem support, and GPT partition table support, as well as lots of new icons, wallpaper images, and file browsing functionality. New administrative applications and functionality have been added, and the ATA/IDE driver has been enhanced, including the ability to better support backwards-compatible SATA controllers. FPU context saving has been improved, and a number of tweaks and bugfixes are also included.


Changes: This is a maintenance release comprising the final round of tweaks and bugfixes to the 0.6x series of Visopsys. Lots of work was done on the USB subsystem, including support for USB mice/keyboards and hubs. The FAT filesystem driver was tuned. Usability fixes were made for various user programs. Loads of OS kernel and C library improvements and bugfixes were made.


Changes: This maintenance release focused on disk I/O performance (fixing the kernel's disk cache and adding IDE lookahead and write caching), secure deletion (shredding) of files/partitions/disks, and bugfixes, including important changes to the OS loader resulting in more reliable booting on more systems.


Changes: This maintenance release includes a number of bugfixes and the addition of new capabilities to the IDE disk driver, including PCI, DMA, and 48-bit addressing support, a significant re-engineering of the Disk Manager program to modularize it for new disk label types, plus support for moving logical partitions and creating 'preceding' logical partitions.


Changes: This is a maintenance release, featuring the ability to resize Windows Vista partitions, more reliable loading on various systems, better exception handling, color text in graphics mode, improvements to the C library, and a number of bugfixes.
A source line counter based on lexical analysis, able to produce effort metrics.
Software that enlarges images, preserving smooth curves and sharp edges.
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Recent commentsInteresting project
It's really an insteresting stable project, I'm willing to contribute.