GDB is the GNU Project debugger, allows you to see what is going on `inside' another program while it executes -- or what another program was doing at the moment it crashed.

The GDB Full Reference Guide provides beginners with a simple introduction to the basics, and experts will find advanced details they need.

In this you will see the following things below.

1 A Sample gdb Session
2 Getting In and Out of gdb
3 gdb Commands
4 Running Programs Under gdb
5 Stopping and Continuing
6 Running programs backward
7 Recording Inferior's Execution and Replaying It
8 Examining the Stack
9 Examining Source Files
10 Examining Data
11 Debugging Optimized Code
12 C Preprocessor Macros
13 Tracepoints
14 Debugging Programs That Use Overlays
15 Using gdb with Different Languages
16 Examining the Symbol Table
18 gdb Files
19 Specifying a Debugging Target
20 Debugging Remote Programs
21 Configuration-Specific Information
22 Controlling gdb
23 Extending gdb
24 Command Interpreters
25 gdb Text User Interface
26 Using gdb under gnu Emacs
27 The gdb/mi Interface
28 gdb Annotations
29 JIT Compilation Interface
30 In-Process Agent
31 Reporting Bugs in gdb
32 Command Line Editing
33 Using History Interactively

You will find all this section offline without any internet connection and lean DB easily anywhere and anytime.