501  cd humboldt/
  502  cd f12cs279/279lectures/279lect07-1/279lect07-1-play
  503  ls
  504  more animals.txt
  505  grep oink animals.txt
  506  fg
  507  emacs animals.txt
  508  grep oink animals.txt
  509  grep oink
  510  grep 'cheap at $9\.98'
  511  grep \\
  512  grep "\\"
  513  grep '\\'
  514  grep '\'
  515  grep 3.5
  516  grep 3\.5
  517  grep "3\.5"
  518  emacs clicker1-2.txt
  519  ls
  520  emacs clicker1-2.txt
  521  grep A.B clicker1-2.txt
  522  more animals.txt
  523  grep oink animals.txt
  524  grep ^oink animals.txt
  525  grep oink$ animals.txt
  526  grep "oink $" animals.txt
  527  grep "cost is $9"
  528  grep moo^moo
  529  grep [moxie]*
  530  grep m[moxie]*
  531  emacs clicker3.txt
  532  grep ^ab*c clicker3.txt
  533  grep ^[^0-9]$
  534  history > 279lect07-1-history-unedited.txt