.TH LEARN 1 "26 April 1983"
learn \- computer aided instruction about UNIX
gives Computer Aided Instruction courses and
practice in the use of UNIX, the C Shell,
and the Berkeley text editors.
To get started simply type
The program will ask questions to find out what
Some questions may be bypassed by naming a
gave you in a previous session.
If you do not know the lesson number,
will look for the first lesson containing it.
this is useful for debugging.
There are a few special commands.
The command `bye' terminates a
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\0\fIlesson\fP' lets you review
option allows one to exercise a script in
/usr/lib/learn subtree for all dependent directories and files
/usr/tmp/pl\(** playpen directories
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
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
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.