You can always enter numbers in octal, decimal, or hexadecimal in
GDB by the usual conventions: octal numbers begin with
``0'`, decimal numbers end with ``.'`, and hexadecimal numbers
begin with ``0x'`. Numbers that begin with none of these are, by
default, entered in base 10; likewise, the default display for
numbers--when no particular format is specified--is base 10. You can
change the default base for both input and output with the ```
set
radix
```

command.

`set input-radix`

`base`-
Set the default base for numeric input. Supported choices
for
`base`are decimal 8, 10, or 16.`base`must itself be specified either unambiguously or using the current default radix; for example, any ofset radix 012 set radix 10. set radix 0xa

sets the base to decimal. On the other hand,``set radix 10'`leaves the radix unchanged no matter what it was. `set output-radix`

`base`-
Set the default base for numeric display. Supported choices
for
`base`are decimal 8, 10, or 16.`base`must itself be specified either unambiguously or using the current default radix. `show input-radix`

- Display the current default base for numeric input.
`show output-radix`

- Display the current default base for numeric display.

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