Software developers use it to write computer games or other multimedia applications that can run on many operating systems including Android, AmigaOS, AmigaOS 4, FreeBSD, BeOS / Haiku, iOS, Linux, Mac OS 9, Mac OS X, MorphOS, OpenVMS, PlayStation Portable, Syllable, Symbian, webOS, and Windows.

As of version 4. 0, programs that use the library work on DOS, Microsoft Windows, BeOS,, and various Unix-like systems with ( or without ) X Window System, abstracting their application programming interfaces ( APIs ) into one portable interface.

The current version of Allegro supports Unix ( Linux, FreeBSD, Irix, Solaris, Darwin ), Windows ( MSVC, MinGW, Cygwin, Borland C ++), Mac OS X and, up to the 4. 2 version, BeOS, QNX, and DOS ( DJGPP, Watcom ).

Simutrans is available for Microsoft Windows, Linux, BeOS, Intel Mac OS X, iPhone and recently AmigaOS 4. x under the Artistic License which was adopted in 2007.

Simutrans is multilingual and is compiled for Microsoft Windows, Linux, BeOS / Haiku, Mac OS X and AmigaOS 4. x which make use of several graphics libraries such as GDI ( Windows only ), SDL ( all versions ) or Allegro ( BeOS only ).

The default GUI is based on Qt 4 for Windows and Linux, Cocoa for Mac OS X, and Be API on BeOS ; but all give a similar standard interface.

Switching to the newer version 4 of GCC breaks compatibility with BeOS software ; therefore Haiku supports being built as a hybrid GCC4 / GCC2 environment.

* Pre 1. 0 build-reports to be 4. 5. 2, this is likely a hang over from the BeOS version.

NetSurf 2. 0 was released in April 2009 for RISC OS, Unix-likes ( e. g. Linux ), AmigaOS 4, BeOS and Haiku.

Lincity was originally designed for Linux, but also runs on Microsoft Windows, BeOS, OS / 2, and AmigaOS 4, as well as a huge variety of Unix-styled systems.

* Hard Drive: 6. 4 GB ( 2 GB for Windows ( R ) 98 and 4. 6 GB for BeOS ( TM ))

Initially designed to run on AT & T Hobbit-based hardware, BeOS was later modified to run on PowerPC-based processors: first Be's own systems, later Apple Inc .' s PowerPC Reference Platform and Common Hardware Reference Platform, with the hope that Apple would purchase or license BeOS as a replacement for its then aging Mac OS.

The BeOS ran on the BeBox, but was later ported to Apple Computer's Power Macs despite resistance from Apple, due to the hardware specifications assistance of Power Computing.

BeOS is an operating system for personal computers which began development by Be Inc. in 1991.

BeOS was built for digital media work and was written to take advantage of modern hardware facilities such as symmetric multiprocessing by utilizing modular I / O bandwidth, pervasive multithreading, preemptive multitasking and a 64-bit journaling file system known as BFS.

BeOS was optimized for digital media work and was written to take advantage of modern hardware facilities such as symmetric multiprocessing by utilizing modular I / O bandwidth, pervasive multithreading, preemptive multitasking and a 64-bit journaling file system known as BFS.

BeOS used Unicode as the default encoding in the GUI, though support for input methods such as bidirectional text input was never realized.

In 1997, Power Computing began bundling BeOS ( on a CD for optional installation ) with its line of PowerPC-based Macintosh clones.

Be Inc. also released a stripped-down version of BeOS for Internet Appliances ( BeIA ), which soon became the company's business focus in place of BeOS.

BeOS PE and BeIA proved to be too little too late, and in 2001 Be's copyrights were sold to Palm, Inc. for some $ 11 million.

Experience had shown that even if an operating system was technically superior to Windows, it would be a failure in the market ( BeOS and OS / 2 for example ).

* Special edition for Win32 and BeOS.

Official decoders and encoders are provided for Microsoft Windows, Mac OS and BeOS, with unmaintained older releases for the Amiga and Linux.

In 2001, Johansen released OpenJaz, a reverse-engineered set of drivers for Linux, BeOS and Windows 2000 that allow operation of the JazPiper MP3 digital audio player without its proprietary drivers.

* SIDPlayer-SID player for BeOS and Linux

Initially developed for the UNIX operating system, it currently runs on fifteen different platforms ( eleven architecture-specific flavors of Unix, DOS, Win32, BeOS, and OpenVMS ).

One attempt at creating a truly object-oriented operating system was the BeOS of the mid 1990s, which used objects and the C ++ language for the application programming interface ( API ).

Syllable makes heavy use of C ++ and for that reason is often compared to BeOS.

Be Incorporated was an American computer company founded in 1990, best known for the Be Operating System ( BeOS ) and BeBox personal computer.

In addition to BeOS and BeBox, Be also produced BeIA, an ill-fated OS for internet appliances.

In 1996, Apple was searching for a new operating system to replace the Mac OS, the two final options were BeOS and NeXTSTEP.

The deal swung towards NeXT due to the persuasive influence of Steve Jobs and the incomplete state of the BeOS product, criticized at the time for lacking such features as printing capability.

To replace Copland and fulfill the need for a next generation operating system Amelio started negotiations to buy BeOS from Be Inc. but negotiations stalled when Be CEO Jean-Louis Gassée demanded $ 275 million ; Apple was unwilling to offer more than $ 200 million.

Due to Apple's moves and the mounting debt of Be Inc., BeOS was soon ported to the Intel x86 platform with its R3 release in March 1998.

The x86 distribution is compatible with BeOS at both source and binary level.

In 1998, the system was ported to the Intel x86 architecture, and PowerPC support was reduced, finally being dropped after BeOS R5.

BeOS on PowerPC systems also uses PEF, although x86 systems do not.

Kung-Fu Master was ported to the Atari 2600, Atari 7800, Amstrad CPC, Apple II, BeOS x86, Commodore 64, DOS, Java, Linux, NES / Famicom, MSX ( Irem / ASCII version as Seiken Achō ), PlayChoice-10 ( arcade, nearly the same as the NES version ), Sega SG-1000, Sinclair ZX Spectrum and Windows.

R5 was the first release of BeOS for x86 to have a freely downloadable version which could be fully installed on a user's hard drive ; previous versions had a free Live CD download, which could not be installed.

bootman is the Haiku and BeOS boot loader on x86 systems.

While the operating system was based on BeOS 5. 1. 0, the company never publicly confirmed that it has the BeOS source code or what their licensing agreement with BeOS's owners PalmSource was.

Installation is based on direct file locations and shell scripts, and has very little chance of user manipulation ; although a file format break in BeOS R4. 5 allowed package makers to use non-direct paths, as a preparation for making the OS multi-user.

A new commercial venture, ZETA, is an operating system that appears to be based on the Dano codebase, and has been accepted by some BeOS users as a successor to R5.