Documentation for /proc/sys/abi/* kernel version 2.6.0.test2 (c) 2003, Fabian Frederick For general info : README. ============================================================== This path is binary emulation relevant aka personality types aka abi. When a process is executed, it's linked to an exec_domain whose personality is defined using values available from /proc/sys/abi. You can find further details about abi in include/linux/personality.h. Here are the files featuring in 2.6 kernel : - defhandler_coff - defhandler_elf - defhandler_lcall7 - defhandler_libcso - fake_utsname - trace =========================================================== defhandler_coff: defined value : PER_SCOSVR3 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS | SHORT_INODE =========================================================== defhandler_elf: defined value : PER_LINUX 0 =========================================================== defhandler_lcall7: defined value : PER_SVR4 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, =========================================================== defhandler_libsco: defined value: PER_SVR4 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, =========================================================== fake_utsname: Unused =========================================================== trace: Unused ===========================================================