1  clear
    2  echo hi friends
    3  echo hi friends > records
    4  more records
    5  ls -l records > sofile
    6  more sofile
    7  ls -l rec > sofile
    8  more sofile
    9  ls -l rec 2> sofile
   10  more sofile
   11  cat < sofile >> records
   12  more records
   13  cat /etc/passwd
   14  cat /etc/passwd | grep mh75 >> records
   15  more records
   16  echo 'whoami'
   17  echo 'my dir is $HOME'
   18  echo "my dir is $HOME"
   19  echo "whoami"
   20  echo `whoami`
   21  emacs &
   22  ls -l
   23  pwd
   24  source listhome
   25  cd 374files/lec3/
   26  ll
   27  ./listhome
   28  chmod u+x listhome
   29  ll
   30  ./listhome
   31  ls -l
   32  ls -a
   33  ./shiftdemo cse374 is fun
   34  more dcdls
   35  ls
   36  ./dcdls
   37  ./dcdls sofile
   38  cd ../../
   39  374files/lec3/dcdls 374file lec3
   40  374files/lec3/dcdls 374files lec3
   41  more dcdls
   42  history > lec3history