Describe a way to override a standard utility.
What will be an ideal response?
The most common way to override a standard utility is to put an executable file of the same name
in a directory in your search path ($PATH) which is ahead of the directory where the standard
utility is located. In some shells, another way would be to define an alias of the same name.
You might also like to view...
A waiting thread transitions back to the ________ state only when another thread notifies it to continue executing.
a. runnable b. terminated c. new d. blocked
Where is it legal to put a continue statement? What does the continue statement do there?
a) A continue statement causes an unnested loop to restart. b) A continue statement causes a loop to halt. c)A continue statement in a loop nested in another loop causes the entire nested loop to restart. d) A continue statement in switch statement transfers control to the top of the switch. e) A continue statement in a nested loop causes that loop to restart, there is no effect on other loops.
COGNITIVE ASSESSMENT Which of the following statements is not true about operating systems designed to work with a server on a network?
A. A multiuser operating system organizes and coordinates how multiple users access and share resources on a network. B. Some operating systems have network features built into them. C. The network administrator uses the operating system on the network to configure the network. D. Client computers cannot function unless they are connected to the network because they cannot access an operating system.
What is the value of sum after the following code executes?
int sum = 0; int count = 0; while (count < 4) { sum += count / 2; count += 1; }