The following typographical conventions are used in these articles when illustrating either shell or Emacs commands.
Terminal sessions are illustrated as follows with user input underlined:
unix> ls -la total 40 drwxr-xr-x 2 wfc users 8192 Feb 16 19:38 . drwxr-x--x 5 wfc users 8192 Feb 16 19:36 .. -rwxr-xr-x 1 wfc users 1464 Feb 16 19:38 .hidden-file -rw-r--r-- 1 wfc users 1189 Feb 16 19:37 my-file.txt -rw-r--r-- 1 wfc users 1648 Feb 16 19:37 num-lines