What is the function of following UNIX command? wc -l b &

Question

What is the function of following UNIX command? wc -l < a > b &

ObjectiveMcq · Accepted Answer

It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background.

ObjectiveMcq · Answer

It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process.

ObjectiveMcq · Answer

It counts the errors during the execution of a process, a, and puts the result in process b.

ObjectiveMcq · Answer

It copies the ‘ l ’ numbers of lines of program from file, a, and stores in file b.