# gdb > The GNU Debugger. > More information: . - Debug an executable: `gdb {{executable}}` - Attach a process to gdb: `gdb -p {{procID}}` - Debug with a core file: `gdb -c {{core}} {{executable}}` - Execute given GDB commands upon start: `gdb -ex "{{commands}}" {{executable}}` - Start `gdb` and pass arguments to the executable: `gdb --args {{executable}} {{argument1}} {{argument2}}`