What is GDB in C?

GDB stands for GNU Project Debugger and is a powerful debugging tool for C (along with other languages like C++). It helps you to poke around inside your C programs while they are executing and also allows you to see what exactly happens when your program crashes.

What is GDB / GNU Debugger?

GDB or GNU Debugger is GNU project which helps to debug software applications and analyze what is happening during program execution. investigate improper behavior of your program. find cause of logical error which is hard to find just by looking at source code. analyze crash occuring in your application. How does GDB help?

What commands do you use in gdb?

Here are a few useful commands to get started with GDB. Executes the program from start to end. Sets a breakpoint on a particular line. Enables a disabled breakpoint. Executes the next line of code without diving into functions. Goes to the next instruction, diving into the function. Displays the code. Displays the value of a variable.

What languages does GDB support?

Currently GDB supports C, C++, D, Go, Objective-C, Fortran, Java, OpenCL C, Pascal, assembly, Modula-2, and Ada languages. Now you would have brief idea about what is GDB and how it can be your savior when something goes wrong in your program. Lets goto next section which describes how to install GDB.