cat ideas.txt 
egrep "C" ideas.txt 
egrep "\<C\>" ideas.txt 
less hamlet.txt 
egrep "act" hamlet.txt 
egrep -i "act" hamlet.txt 
egrep "ACT" hamlet.txt 
egrep "II" hamlet.txt 
egrep -i "^act" hamlet.txt 
egrep -i "^act\>" hamlet.txt 
egrep "^Scene\>" hamlet.txt 
egrep -i "^(act)\>" hamlet.txt 
egrep -i "^(act)" hamlet.txt 
cat chat.txt 
egrep "\^\^" chat.txt 
egrep "\^_?\^" chat.txt 
cat 143.txt
egrep "[ABCDF][+\-]?" 143.txt 
egrep "[ABCDF][+\-]?\>" 143.txt 
egrep "\<[ABCDF][+\-]?\>" 143.txt 
firefox cse_faculty.html 
sed -r "s/([0-9]{3})-([0-9]{4})/(206) \1\.\2/g" cse_faculty.html 
sed -r "s/([0-9]{3})-([0-9]{4})/(206) \1\.\2/g" cse_faculty.html > cse_faculty2.html
firefox cse_faculty2.html &