Here is a snipet from an strace -

root@missi:/var/log$ strace perldoc perl
execve("/usr/bin/perldoc", ["perldoc", "perl"], [/* 67 vars */]) = 0
brk(0)                                  = 0xfb9000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 
+0) = 0x7f26b321e000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or d
+irectory)
open("/usr/lib64/perl5/CORE/tls/x86_64/libperl.so", O_RDONLY|O_CLOEXEC
+) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/perl5/CORE/tls/x86_64", 0x7ffd393c0170) = -1 ENOENT (
+No such file or directory)
open("/usr/lib64/perl5/CORE/tls/libperl.so", O_RDONLY|O_CLOEXEC) = -1 
+ENOENT (No such file or directory)
stat("/usr/lib64/perl5/CORE/tls", 0x7ffd393c0170) = -1 ENOENT (No such
+ file or directory)
open("/usr/lib64/perl5/CORE/x86_64/libperl.so", O_RDONLY|O_CLOEXEC) = 
+-1 ENOENT (No such file or directory)
stat("/usr/lib64/perl5/CORE/x86_64", 0x7ffd393c0170) = -1 ENOENT (No s
+uch file or directory)
open("/usr/lib64/perl5/CORE/libperl.so", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320>\3\0\0\0\0
+\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=1978760, ...}) = 0
mmap(NULL, 4074536, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
+ 0) = 0x7f26b2c0d000
mprotect(0x7f26b2de7000, 2097152, PROT_NONE) = 0
mmap(0x7f26b2fe7000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXE
+D|MAP_DENYWRITE, 3, 0x1da000) = 0x7f26b2fe7000
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