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gdb — The GNU Debugger. More information: <https://sourceware.org/gdb/current/onlinedocs/gdb#Invocation>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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How to use the gdb command: The GNU Debugger. More information: <https://sourceware.org/gdb/current/onlinedocs/gdb#Invocation>.

gdb — The GNU Debugger. More information: <https://sourceware.org/gdb/current/onlinedocs/gdb#Invocation>.

Debug an executable:

gdb {{path/to/executable}}

Attach a process to gdb:

gdb {{[-p|--pid]}} {{procID}}

Debug with a core file:

gdb {{[-c|--core]}} {{path/to/core}} {{path/to/executable}}

Execute given GDB commands upon start:

gdb {{[-ex|--eval-command]}} "{{commands}}" {{path/to/executable}}

Start gdb and pass arguments to the executable:

gdb --args {{path/to/executable}} {{argument1 argument2 ...}}

Skip debuginfod and pagination prompts and then print the backtrace:

gdb {{[-c|--core]}} {{path/to/core}} {{path/to/executable}} -iex 'set debuginfod enabled on' -iex 'set pagination off' -ex bt

Debug an executable

gdb {{path/to/executable}}

Attach a process to `gdb`

gdb {{[-p|--pid]}} {{procID}}

Debug with a core file

gdb {{[-c|--core]}} {{path/to/core}} {{path/to/executable}}

Execute given GDB commands upon start

gdb {{[-ex|--eval-command]}} "{{commands}}" {{path/to/executable}}

Start `gdb` and pass arguments to the executable

gdb --args {{path/to/executable}} {{argument1 argument2 ...}}

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