The subject \|'s presently handled are
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There are a few special commands. The command `bye' terminates a learn session and `where' tells you of your progress, with `where\0m' telling you more. The command `again' re-displays the text of the lesson and `again\0lesson' lets you review lesson .
The - directory option allows one to exercise a script in a nonstandard place.
/usr/lib/learn subtree for all dependent directories and files /usr/tmp/pl\(** playpen directoriesSEE ALSOcsh(1), ex(1)BUGSThe main strength of learn, that it asks the student to use the real UNIX, also makes possible baffling mistakes. It is helpful, especially for nonprogrammers, to have a UNIX initiate near at hand during the first sessions.Occasionally lessons are incorrect, sometimes because the local version of a command operates in a non-standard way. Such lessons may be skipped with the `skip' command, but it takes some sophistication to recognize the situation.
To find a lesson given as a word, learn does a simple fgrep (1) through the lessons. It is unclear whether this sort of subject indexing is better than none.
Spawning a new shell is required for each of many user and internal functions.