Advanced Debugger

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Original author(s)Stephen R. Bourne
Developer(s)AT&T Bell Laboratories
Initial releaseJanuary 1979; 43 years ago (1979-01)
Operating systemUnix and Unix-like

The advanced debugger adb is the standard UNIX debugger found on Solaris 1 and 2, HP-UX, SCO and Venix. It is the successor of a debugger called db.


The initial version was written by Stephen R. Bourne.[1] ADB is the standard debugger on Solaris and the Solaris kernel debugger kadb that was introduced with SunOS-3.5 (1986) is a minor variant of adb.

A version of ADB was integrated into the BSD kernel as a kernel debugger.[citation needed]

On Solaris, ADB was replaced by the Modular Debugger mdb with Solaris 8 (2000) and the ADB command-line interface now is emulated by mdb when it is called as adb. Mdb has become OpenSource with OpenSolaris.

See also[edit]

  • DBX, the symbolic debugger


  1. ^ McIlroy, M. D. (1987). A Research Unix reader: annotated excerpts from the Programmer's Manual, 1971–1986 (PDF) (Technical report). CSTR. Bell Labs. 139.

External links[edit]