EU. This test can only be taken once. Umpletion Once started, this test must be completed in one sitting. Do not leave the test before clicking Save and Submit. Ment_id=_1225780_1&step=null Question Completion Status: 12345678910 QUESTION 1 What commands can be used to reference help information for a command? a. None of the above b. --help. --? O c. man, --help d. man, --h QUESTION 2 What is the difference of the pipe (1) command in Windows vs Linux? a. There is no difference. b. None of the above. The command shell under Windows also utilizes the pipe function. The primary difference is that all commands in a Windows pipe are executed concurrently, whereas Linux runs each program in order, using temporary files to hold intermediate results. OC. The command shell under Windows also utilizes the pipe function. The primary difference is that all commands in a Linux pipe are executed concurrently, whereas Windows runs each program in order, using temporary files to hold intermediate results. QUESTION 3 What command shows running program(s) that are listed in one of two states: running or stopped? a. fg