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Hi Using grep to search my history for where I have used the dd command if I do history | grep -e dd I get 1079 sudo sudo add-apt-repository ppa:danielrichter2007/grub-customizer 1080 sudo add-apt-repository ppa:danielrichter2007/grub-customizer 1803 sudo dd bs=1M if=./2012-07-15-wheezy-raspbian.-15- of=/dev/sdc 1805 sudo dd bs=1M if=./2012-07-15-wheezy-raspbian.img of=/dev/sdc (this is shortened) if I wanted to not include add and just instances of dd how do I do this, I tried history | grep -e 'd[d]' from the o'reilly grep reference but that didn't work, am I doing things right and what should i be using I think i need some sort of explicit search option but not even sure if what I am doing above is the right way to do things anyway, even though it works. i need something like equal to "dd" not equal to "*dd" i guess, i think not equal to is == not sure. thanks Paul -- -- http://drupal.zleap.net skype : psutton111 http://www.linkedin.com/pub/paul-sutton/36/595/911 -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/listfaq