pwd

Use this command to find out what directory you are working in.

   % pwd
/u/ma/jeremy
  % cd homework
  % pwd
/u/ma/jeremy/homework
  % ls
assign-1 assign-2 assign-3
  % cd
  % pwd
/u/ma/jeremy
  %

Jeremy began by working in his "home" directory. Then he cd'd into his homework subdirectory. Cd means " change directory". He used pwd to check to make sure he was in the right place, then used ls to see if all his homework files were there. (They were). Then he cd'd back to his home directory.