Which of the following sequences prints all the second column fields of an input file "values.txt"?

Which system call increases the process priority?

Which one is true of Unix system calls?

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

The library routine printf does not use any system calls.

Which gcc compiler option turns on optimization?

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

How can two processes communicate despite having firewalls between them?

An Internet socket connection essentially is:

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

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