Chem_402_Key_Homework_1_Fall_2010

Chem_402_Key_Homework_1_Fall_2010 - hw1 so that the owner...

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Chem 402: Chemical Information Systems Dr. George A. Papadantonakis Fall 2010 Homework No. 1 Due on Friday, September 10, 2010 A. (2 points each) 1. Give a command that will print out a long listing of all the files in the current directory. ls –al 2. Say that you are currently in the directory /home/wrigley/cubs . Give two different ways of changing directories to the directory /home/steinbrenner/yankees . cd /home/Steinbrenner/Yankees or cd~ Steinbrenner/Yankees 3. Give the command that will change the permissions on the file
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Unformatted text preview: hw1 so that the owner can read, write and execute it. chmod 744 hw1 or chmod u+rwx,g+r-wx,o+r-wx hw1 4. Give a command that you could use to tell whether the machine www.acs.org is up and connected to the network. ping www.acs.org 5. Give two commands that will print out all running processes belonging to user “ george ” ps –U george or ps uxa | grep george B. http://apps.isiknowledge.com/summary.do?qid=1&product=WOS&SID=4C59 CFa6NCFg%40Gkk1m8&search_mode=GeneralSearch...
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This note was uploaded on 09/23/2010 for the course CHEM 402 taught by Professor Staff during the Spring '08 term at Ill. Chicago.

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