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Cross-platform/POSIX API: binaries for 64-bit Raspberry Pi 4/400, Intel macOS Mojave through Sonoma, ARM macOS Sonoma, and 64-bit Intel Linux (also runs under FreeBSD and Windows 10/Windows 11 with WSL). Includes a Pascal cross compiler for the KDF9. GPL3
A chmod command first appeared in AT&T Unix version 1, along with the chmod system call. As systems grew in number and types of users, access-control lists [3] were added to many file systems in addition to these most basic modes to increase flexibility. The version of chmod bundled in GNU coreutils was written by David MacKenzie and Jim ...
GEOS (Graphic Environment Operating System) is a discontinued operating system from Berkeley Softworks (later GeoWorks).Originally designed for the Commodore 64 with its version being released in 1986, enhanced versions of GEOS later became available in 1987 for the Commodore 128 and in 1988 for the Apple II.
Pick operating system; SIPROS 66 (Simultaneous Processing Operating System) [6] THE multiprogramming system (Technische Hogeschool Eindhoven) development; TSOS (later VMOS) 1966 DOS/360 (IBM's Disk Operating System) GEORGE 1 & 2 for ICT 1900 series; Mod 1 [7] Mod 2 [8] Mod 8 [9] MS/8 (Richard F. Lary's DEC PDP-8 system) MSOS (Mass Storage ...
TempleOS is a 64-bit, non-preemptive multi-tasking, [8] multi-cored, public domain, open source, ring-0-only, single address space, non-networked, PC operating system for recreational programming. [9] The OS runs 8-bit ASCII with graphics in source code and has a 2D and 3D graphics library, which run at 640x480 VGA with 16 colors. [5]
Microsoft Windows is a computer operating system developed by Microsoft. It was first launched in 1985 as a graphical operating system built on MS-DOS. The initial version was followed by several subsequent releases, and by the early 1990s, the Windows line had split into two separate lines of releases: Windows 9x for consumers and Windows NT ...
Many 16-bit Windows legacy programs can run without changes on newer 32-bit editions of Windows. The reason designers made this possible was to allow software developers time to remedy their software during the industry transition from Windows 3.1 to Windows 95 and later, without restricting the ability for the operating system to be upgraded to a current version before all programs used by a ...
SYmbiosis Multitasking Based Operating System (SymbOS) is a multitasking operating system for Zilog Z80-based 8-bit computer systems. Unlike early 8-bit operating systems, SymbOS is based on a microkernel , which provides preemptive and priority-oriented multitasking and manages random-access memory (RAM) with a size of up to 1024 KB .