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listings under info and under show in the Index point to all the sub-commands. See
???.
info This command (abbreviated i) is for describing the state of your program. For
example, you can list the arguments given to your program with info args,
list the registers currently in use with info registers, or list the breakpoints
you have set with info breakpoints. You can get a complete list of the
info sub-commands with help info.
set
You can assign the result of an expression to an environment variable with
set. For example, you can set the GDB prompt to a $-sign with set prompt
$.
show In contrast to info, show is for describing the state of GDB itself. You can
change most of the things you can show, by using the related command set;
for example, you can control what number system is used for displays with
set radix, or simply inquire which is currently in use with show radix.
To display all the settable parameters and their current values, you can use
show with no arguments; you may also use info set. Both commands
produce the same display.
Here are three miscellaneous show subcommands, all of which are exceptional in
lacking corresponding set commands:
show version
Show what version of GDB is running. You should include this
information in GDB bug-reports. If multiple versions of GDB are
in use at your site, you may need to determine which version of
GDB you are running; as GDB evolves, new commands are
introduced, and old ones may wither away. Also, many system
vendors ship variant versions of GDB, and there are variant
versions of GDB in GNU/Linux distributions as well. The version
number is the same as the one announced when you start GDB.
show copying
Display information about permission for copying GDB.
show warranty
Display the GNU “NO WARRANTY” statement, or a warranty,
if your version of GDB comes with one.
3.3 Getting help 37