1000  pwd
 1001  cd 224
 1002  ls
 1003  ls -l
 1004  cd poems
 1005  wc -l *
 1006  grep '[yz]' Jabberwocky.txt 
 1007  grep '^H.*d' Jabberwocky.txt 
 1008  grep '^H.*d$' Jabberwocky.txt 
 1009  grep '^[^T].*T'
 1010  grep Twas Jabberwocky.txt 
 1011  sed 's/\'Twas/It certainly was/g' 
 1012  echo "next is wrong"
 1013  sed 'foo
 1014  vi Twas.pat
 1015  man sed
 1016  ls
 1017  ls -lt
 1018  history 33
 1019  history 20 >224practice9Dec2011.txt