-bash-3.1# strace dbus-launch 
execve("/usr/bin/dbus-launch", ["dbus-launch"], [/* 22 vars */]) = 0
brk(0)                                  = 0x9583000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x6ffcc000
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=28197, ...}) = 0
mmap2(NULL, 28197, PROT_READ, MAP_PRIVATE, 3, 0) = 0x6ffc5000
close(3)                                = 0
open("/usr/lib/libX11.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\0pO\1\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1056460, ...}) = 0
mmap2(NULL, 1060732, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x378000
mmap2(0x477000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xfe) = 0x477000
close(3)                                = 0
open("/lib/libcap.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\260\10"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=10184, ...}) = 0
mmap2(NULL, 13684, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x1f3000
mmap2(0x1f6000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2) = 0x1f6000
close(3)                                = 0
open("/lib/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\0000_\1\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1573536, ...}) = 0
mmap2(NULL, 1295780, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xa63000
mmap2(0xb9a000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x137) = 0xb9a000
mmap2(0xb9d000, 9636, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb9d000
close(3)                                = 0
open("/usr/lib/libXau.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\0P\t\0\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=7964, ...}) = 0
mmap2(NULL, 10788, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x77d000
mmap2(0x77f000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x77f000
close(3)                                = 0
open("/usr/lib/libXdmcp.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\0000\16\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=18644, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x6ffc4000
mmap2(NULL, 21460, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf89000
mmap2(0xf8e000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4) = 0xf8e000
close(3)                                = 0
open("/lib/libdl.so.2", 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\0P\n\0\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=14716, ...}) = 0
mmap2(NULL, 12408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x544000
mmap2(0x546000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x546000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x6ffc3000
set_thread_area({entry_number:-1 -> 6, base_addr:0x6ffc36c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0x546000, 4096, PROT_READ)     = 0
mprotect(0xb9a000, 8192, PROT_READ)     = 0
mprotect(0x4db000, 4096, PROT_READ)     = 0
munmap(0x6ffc5000, 28197)               = 0
pipe([3, 4])                            = 0
pipe([5, 6])                            = 0
pipe([7, 8])                            = 0
clone(Could not tell if SELinux is enabled: No such file or directory
SELinux pre-initialization failed
child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x6ffc3708) = 26085
--- SIGCHLD (Child exited) @ 0 (0) ---
close(4)                                = 0
close(6)                                = 0
close(7)                                = 0
waitpid(26085, NULL, 0)                 = 26085
read(5, "", 511)                        = 0
write(2, "EOF in dbus-launch reading addre"..., 51EOF in dbus-launch reading address from bus daemon
) = 51
exit_group(1)                           = ?
Process 26084 detached