11 EXECVE const char *filename, char const argv[], char const envp[]
execute a program

arg eax 11
ebx ptr to <nul> terminated string of program path&name
ecx ptr to zero terminated list of ptrs to <nul> terminated
program argument stgs
edx ptr to zero terminated list of ptrs to <nul> terminated
environment strings
return no return, executed prog inherits resources and overwrites caller
errors eax 2big, acces, inval, io, isdir, libbad loop, nfile, noexec,
noent, nomem, notdir, fault, nametoolong, perm, txtbusy
ref arch/i386/kernel/process.c
note waiting caller of a "fork"ed or "clone"d job being released immediately
after entry to execve.

format elf executable

mov eax,0xB
mov ecx,args
mov edx,0
mov ebx,arg0
int 0x80

mov eax,1
int 0x80

arg0: db '/bin/ls',0
arg1: db '-l',0
args: dd arg0,arg1,0

;this program is designed to have the same effect
;as entering "/bin/ls -l" at the terminal