System Programming MCQs

What will happen when the compiler 'sees' the following code? #define FTP_TYPE "" #ifdef -FTP #define FTP_TYPE "FTP" #elif #ifdef -PASV #ifndef FTP_TYPE #define FTP_TYPE "PASV" #endif #endif

Which is true, given the following code: tok = strtok_r(data, " ”, &last); while (tok) { strcat(strcpy(full_name, the_path), tok); make_secondary(eAma_full_name, TRUE); tok = strtok_r(NULL, " ”, &last); }

What is the purpose of a semaphore?

A 'crashed' software needs to be debugged using its core dump. You would start by doing:

Given: int s, l; struct sockaddr_un sock_struct; The following function call: connect(s, &sock_strict, l); fails. Which one is NOT a reason for it to fail?

Which IPC shared memory sequences is correct?

Which library provides the POSIX thread implementation on Solaris?

How does a programmer distinguish a child from its parent process following a fork system call?

Effect of executing the following system call on the file ''test.txt''?

Which IPC message operation is performed to setup communication between arbitrary processes?