Which programming language cannot be used for writing user defined applications?

A.
C/C++

B.
Cobol

C.
Perl

D.
Bourne Shell

E.
C-Shell

Explanation:

: This language is not supported for user defined applications, this can be checked in the Online
NG documentation. C++, Perl, Bourne Shell and C-Shell are all supported languages, but Cobol is
not a supported one. See “User defined application development” in the NG online help.