-# Using a secure shell client such as @ssh@ or @putty@ to log on to a remote server
-# Using the unix command line shell @bash@
-# Viewing and editing files using a unix text editor such as @vi@, @emacs@, or @nano@
-# Programming in @python@
-# Revision control using @git@
+# Using a secure shell client such as SSH or PuTTY to log on to a remote server
+# Using the Unix command line shell, Bash
+# Viewing and editing files using a unix text editor such as vi, Emacs, or nano
+# Programming in Python
+# Revision control using Git