Whether or not a particular feature "is deprecated," you are still likely to encounter installed-systems in which this-or-that feature is still in use.
Never get too mired-down in details: "zoom back up to twenty-thousand feet" and first look at the
big picture. What is the thing that they are trying to do; the problem they are trying to solve; the approach that they are generally taking. A three-year old book is still just as relevant as the most recent, and it's often good to compare different editions as well as the works of altogether different authors and writing-teams.
The
man page now says this about the "-t" option:
Quote:
-t --type
Restrict -l to modules in directories matching the dirname given. This option is provided for backwards compatibility: see find(1) and basename(1) for a more flexible alternative.
|
The discussion that was written
before the "more flexible alternatives" became available will give you a different perspective on the root-problem that
both alternatives were conceived to address. And it's included in the training materials (and in the tests) because some instructional-designer perceived that real-world Linux people would need to know it ... and the books tell you why. Focus on, "why." Answers change, but questions don't. Skim the sources, old and new, side by side.
