The dbx command language is based on the syntax of the Korn Shell1 (ksh 88), including I/O redirection, loops, built-in arithmetic, history, and command-line editing. This chapter lists the differences between ksh-88 and dbx command language.
If no dbx initialization file is located on startup, dbx assumes ksh mode.
This chapter is organized into the following sections:
Features of ksh-88 not Implemented
The following features of ksh-88 are not implemented in dbx:
Extensions to ksh-88
dbx adds the following features as extensions:
Particular dbx commands have been renamed to avoid conflicts with ksh commands.
The Korn Shell Command and Programming Language, Morris I. Bolsky and David G. Korn, Prentice Hall,