UNIX in a Nutshell: System V Edition

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UNIX Commands
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sdb [options] [objfile [corefile [dir_list]]]

A C and FORTRAN symbolic debugging program used to look at "core" files resulting from aborted programs. objfile contains an executable program, and corefile contains the core image produced when objfile was executed. a.out is the default objfile. core is the default corefile. The dir_list argument specifies the source directory for the files compiled to create objfile. See Section 20 for more information on sdb.



Ignore symbolic data; treat addresses as file offsets.

-s n

Don't stop processes that receive signal number n. See the signal system call for values of n. -s may be used more than once.


Print version information (exit if no objfile is given).


Make objfile and corefile writable.


Suppress warning messages about older files.

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