Intel Binary Compatibility Standard
In computing, the Intel Binary Compatibility Standard (iBCS) is a standardized application binary interface (ABI) for Unix operating systems on Intel 386–compatible computers. It standardizes various operating system interfaces, including such things as filesystem hierarchy layout,[1][2] so that Unix programs would run on the various vendor-specific Unix implementations for Intel hardware (such as Xenix, SCO Unix and System V implementations).[3] First published in 1988, the iBCS went through two editions and extended source-level standards such as POSIX and XPG3.[4]
iBCS, edition 2, was supported by various Unix versions, such as UnixWare and third-party implementations. A Linux implementation was developed in the early 1990s, and was capable of running ELF, COFF and x.out (Xenix) binaries ca. 1994.[5]
References
- ^ "/opt : Add-on application software packages". Filesystem Hierarchy Standard. Retrieved 13 November 2014.
- ^ George Kraft IV (1 November 2000). "Where to Install My Products on Linux?". Linux Journal. Retrieved 13 November 2014.
- ^ Taylor, Noel-Marie (15 June 1993). "Consensys V 4.2". PC Magazine: 234.
- ^ Cameron, Debra (1991). Unix standards. Computer Technology Research Corp. p. 64.
- ^ Strobel, Stefan; Uhl, Thomas (1994). Linux—Unleashing the Workstation in Your PC. Springer-Verlag. p. 54.
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