8.2. System Debugging in Linux

Try these first

1. 1.

   What does GDB stand for?

   Hint

   Consider the acronym of GDB.

2. 2.

   What command do you use to enable core dumps?

   Hint

   Think about memory management in Linux.

3. 3.

   What tool does GDB provide for viewing the call stack?

   • print
   • stacktrace
   • backtrace

   Hint

   Think about how you look back at the function history.

4. 4.

   True or False: Valgrind can detect only memory leaks.

   • True
   • False

   Hint

   Remember its capabilities.

5. 5.

   You're running a C application that crashes with a segmentation fault. What are the steps you would take to identify and fix the issue using GDB?

   Hint

   Remember to check variable values before and after breakpoints.

6. 6.

   You suspect a memory leak in your program. Describe how you would use Valgrind to confirm and analyze the leak.

   Hint

   Look for the summary of leaks and their locations.