[svlug] cshell question

[Harry Mason]

Hi:
I hope this isn't too off topic.
I am studying for my first "real" nonmainframe job, using cshells
scripts to launch control-m scheduler stuff.  (control-m is like
cron with steroids).
I'm using an old book called the c-shell field guide.  It uses
a command script of the following:

echo -n "Input your terminal type: "
setenv TERM `gets`

Well, gets isn't found, so I used
setenv TERM `$<` and entered
ibm3270, but it said ibm3270: command not found.
I guess at the time the book was written, the ` symbols
would capture the results of one command into the word list
for another command.  Is this a typo?  Did it ever work?
And yet set d = `date` works fine.  Why is ibm3270 or for that
matter in other thing interpreted as a command instead of as
a word list in setenv TERM `$<` ?

I wonder if it is a deprecated form, like iefbr14...


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