> strace -Ff /usr/bin/file
execve("/usr/bin/file", ["/usr/bin/file"], [/* 5 vars */]) = 0
uname({sys="Linux", node="(none)", ...}) = 0
brk(0)                                  = 0x804b000
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=14288, ...}) = 0
mmap2(NULL, 14288, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40019000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libmagic.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20 \0\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=56180, ...}) = 0
mmap2(NULL, 55044, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x4001d000
mmap2(0x4002a000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd) = 0x4002a000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\240O\1"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=1241392, ...}) = 0
mmap2(NULL, 1247388, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x4002b000
mmap2(0x40152000, 28672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x127) = 0x40152000
mmap2(0x40159000, 10396, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40159000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libz.so.1", O_RDONLY)    = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340\26"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=78500, ...}) = 0
mmap2(NULL, 81456, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x4015c000
mmap2(0x4016f000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12) = 0x4016f000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40170000
mprotect(0x40152000, 20480, PROT_READ)  = 0
set_thread_area({entry_number:-1 -> 12, base_addr:0x401708e0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
munmap(0x40019000, 14288)               = 0
brk(0)                                  = 0x804b000
brk(0x806c000)                          = 0x806c000
stat64("//.magic", 0xbf924af4)          = -1 ENOENT (No such file or directory)
open("/etc/magic.mgc", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/etc/magic", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=111, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0xbf9206f4) = 0x40019000
read(3, "# Magic local data for file(1) c"..., 4096) = 111
read(3, "", 4096)                       = 0
close(3)                                = 0
munmap(0x40019000, 4096)                = 0
open("/usr/share/file/magic.mgc", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=966144, ...}) = 0
mmap2(NULL, 966144, PROT_READ|PROT_WRITE, MAP_PRIVATE, 3, 0xbf92296c) = 0x40171000
close(3)                                = 0
--- SIGBUS (Bus error) @ 0 (0) ---
+++ killed by SIGBUS +++
Process 765 detached