GDB Tutorial

How to run the gdb ?

> gdb executable_name

(then u will see (gdb) )

How to set break points ?

(gdb)b file_name: line_number

or

(gdb)break file_name:line_number

( You can either use break or b)

Executing next line in the program

(gdb)next

or

(gdb)n

How to run the executable?

(gdb)run

How to display value of particular variable?

(gdb) p variable_name

or

(gdb)print variable_name

or

(gdb)display variable_name

or

(gdb)d variable_name

How to Quit Gdb?

(gdb)quit

or

(gdb)q

Reference :

• http://db.glug-bom.org/lug-authors/anurag/gdb-tutorial.pdf
• http://www.gnu.org/software/gdb/documentation/