327  clear
  328  PS1='$'
  329  clear
  330  env
  331  PS1='$'
  332  PS1='$ '
  333  clear
  334  whoami
  335  PS1='\u$ '
  336  hostname
  337  PS1='\u@\h$ '
  338  pwd
  339  PS1='\u@\h \w$ '
  340  cd public_html/
  341  cd
  342  mkdir a
  343  mkdir a/b
  344  mkdir a/bf
  345  mkdir a/b/c
  346  cd a/b/c/
  347  PS1='\u@\h \W$ '
  348  PS1='\u@\h \w$ '
  349  PS1='\u@\h \W$ '
  350  ls
  351  cd
  352  cd a
  353  ls
  354  rmdir bf
  355  cd b
  356  clear
  357  rm b
  358  rm ../b
  359  rmdir ../b
  360  rm -Rf ../b
  361  cd ..
  362  cd
  363  rm -Rf a
  364  echo PS1
  365  echo $PS1
  366  PS1='[\u@\h \W]$ '
  367  clear
  368  pico .bash_profile
  369  pico .bash_profile
  370  clear
  371  ls
  372  cat .bash_profile
  373  pwd
  374  cd ../
  375  ls
  376  cd /
  377  ls
  378  cd
  379  clear
  380  whoami
  381  ps
  382  last -3
  383  last -5
  384  finger
  385  w
  386  clear
  387  finger
  388  w
  389  finger | grep brown
  390  w | grep ts228
  391  clear
  392  finger | grep brown
  393  finger | wc
  394  man wc
  395  clear
  396  man wc
  397  man wc
  398  man wc
  399  finger
  400  clear
  401  last -10
  402  last
  403  clear
  404  talk sd2096@banana.cc.columbia.edu
  405  clear
  406  man mesg
  407  mesg -n
  408  finger mel2008
  409  mesg -y
  410  clear
  411  ls
  412  clea4r
  413  clear
  414  ls -l | grep public_html/
  415  ls -l | grep public_html
  416  chmod 755 public_html/
  417  ls -l | grep public_html
  418  ls -l public_html/index.html 
  419  cat public_html/index.html 
  420  emacs public_html/index.html 
  421  pico public_html/index.html 
  422  clear