Calling mmap(0, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, input_fd, 4096), where input_fd is the file descriptor of a 16KB file will cause which of the following to occur?

Wha does the following line do? unsigned transOK : 1;

The result of calling kill(6003, 0) is which of the following?

An Internet socket connection essentially is:

How can two processes communicate despite having firewalls between them?

Which of the following functions sends a signal to the executing process?

Which gcc compiler option turns on optimization?

The library routine printf does not use any system calls.

If a process is hung in the kernel context, sending it a SIGKILL will _____.

Which one is true of Unix system calls?

Which system call increases the process priority?