hi all, I came to know that eax register contains the system call number when it is calling system call but when I am printing the eax register using ptrace utility by monitoring another process, I am getting some random numbers in sequence like 107603 107603 107603 2 2 2 2 3 3 3 111111...... Can anybody help me how can I exactly know what are the various system calls invoked by a process ? thanx in advance, c.v.raman _______________________________ Do you Yahoo!? Declare Yourself - Register online to vote today! http://vote.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/