501  cd humboldt/f12cs279/279lectures/279lect09-1
  502  more simple-read.sh 
  503  simple-read.sh
  504  emacs foo.txt
  505  ls
  506  rm *~
  507  diff foo*
  508  diff -c foo*
  509  emacs foo.txt
  510  rm foo*~
  511  diff *
  512  diff foo*
  513  diff -b foo*
  514  fg
  515  rm foo*~
  516  diff foo*
  517  diff -b foo*
  518  ls
  519  wc *
  520  man wc
  521  emacs wc-tester.txt
  522  wc wc-tester.txt 
  523  fg
  524  fg
  525  wc wc-tester.txt 
  526  fg
  527  wc wc-tester.txt 
  528  wc
  529  wc
  530  ls | wc
  531  ls
  532  wc -c foo.txt
  533  wc -l foo.txt
  534  wc -w foo.txt
  535  wc -wl foo.txt
  536  who
  537  who | wc -l
  538  ls | wc -l
  539  ssh st10@nrs-labs.humboldt.edu
  540  ls
  541  ls -l foo*
  542  touch foo2.txt
  543  ls -l foo*
  544  touch oink
  545  ls
  546  ls -l oink
  547  wc oink
  548  ls | tee looky | wc -l
  549  more looky
  550  ls | tee looky2 | wc -l>> looky2
  551  more looky2
  552  ls | tee file1 file2 | grep foo
  553  diff file1 file2
  554  cat file1
  555  cat file2
  556  wc file1
  557  ls | tee -a file1 file2 | grep foo
  558  wc file1
  559  wc file2
  560  emacs file2
  561  diff file1 file2 | tee looky | grep '<'
  562  more looky
  563  cd ..
  564  find 
  565  find . -print
  566  cd 279lect09-1
  567  history > 279lect09-1-history.txt