In This Book

breakpoint

A monitor that, when encountered during program execution, stops execution and transfers control back to the debugger. A breakpoint is always associated with a particular address, which is either speci￿ed explicitly or implied by its association with a location.

bu￿er

An area in memory used as a temporary storage area.

button

In OSF/Motif, an icon, usually accessible by a mouse pointer, that starts an action. Radio buttons come in sets of two or more, each button representing a mutually exclusive selection.

check box

In OSF/Motif, a square box on a dialog box. You may choose any number Glossary of items with check boxes.

command

Commands tell the debugger which functions to perform. They can be spelled out or abbreviated. The abbreviation for most commands is the ￿rst three letters of each word in its name. Commands are terminated by a newline.

command list

One or more debugger commands separated by semicolons (;) and enclosed in square brackets, braces, or parentheses. A command list lets you combine commands that require an EOL as a terminator with commands that are terminated with a semicolon on the command line.

continuation character

A backslash character (\), which, when placed at the end of a command line, allows you to continue the command on the next line.

core ￿le

A memory image of an abnormally terminated process (see core(4)). This ￿le contains su￿cient information to determine what the process w as doing at the time of its termination. It can be examined using the debugger to determine why the program failed.

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