$ strace macunpack WizardofOZ.sit
execve("/usr/bin/macunpack", ["macunpack", "WizardofOZ.sit"], [/* 55 vars */]) = 0
brk(0) = 0xa078000
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) = 0xb76eb000
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=105816, ...}) = 0
mmap2(NULL, 105816, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb76d1000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/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\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1401000, ...}) = 0
mmap2(NULL, 1415544, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7577000
mprotect(0xb76ca000, 4096, PROT_NONE) = 0
mmap2(0xb76cb000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x153) = 0xb76cb000
mmap2(0xb76ce000, 10616, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb76ce000
close(3) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7576000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb75768d0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0xb76cb000, 8192, PROT_READ) = 0
mprotect(0xb7709000, 4096, PROT_READ) = 0
munmap(0xb76d1000, 105816) = 0
brk(0) = 0xa078000
brk(0xa099000) = 0xa099000
open("WizardofOZ.sit", O_RDONLY) = -1 EFBIG (File too large)
write(2, "Can't open input file \"WizardofO"..., 39Can't open input file "WizardofOZ.sit"
) = 39
exit_group(1) = ?
$ ls -la WizardofOZ.sit
-rw-r--r-- 1 d d 4299071558 Авг 8 21:50 WizardofOZ.sit