at comes with becoming steeped in use of 
	particular tools and technologies.&nbsp; Macintosh and Windows users live 
	and operate in different toolcrafts.&nbsp; Unix and GNU/Linux users have yet 
	another set, as do Java developers.&nbsp; There is specialization within 
	broad toolcrafts as well: the DB2 administrator may have little or no 
	comfort with administration of Microsoft SQL Server, and so on.&nbsp; The 
	Microsoft Office guru may not have any feel for or comfort with Open Office 
	or some other