QUES: shows currently assigned policy on this computer

correct the punctuation.

CORRECTED: - shows currently assigned policy on this computer.

QUES: 3 In the absolute or cosmic sense nothing can kill and nobody can be killed

correct the punctuation.

CORRECTED: 3. In the absolute or cosmic sense nothing can kill and nobody can be killed

QUES: You can back up other pcs onto the local pc as long as our local pc can ssh to the other pcs and as long as you have room on your hard drive

correct the punctuation.

CORRECTED:
You can back up other pc's onto the local pc, as long as our local pc can ssh to the other pc's (and as long as you have room on your hard drive).