danchristal

Write a command that will output the number of times the cat command was used previously
  history | grep -c "cat"
  
Write a command to output a count of all words in the unix dictionary file that begin with the letter "a"
  cat /usr/share/dict/words | grep -c "^a"

Return all the words in the dictionary that start with "a" and end with "s"
  cat /usr/share/dict/words | grep -E '^a' | grep -E 's$' -c