A core file or core dump is a file that records the memory image of a running process and its process status (register values etc.) Dumping core is also very useful in situations where faults occur intermittently A program that crashes automatically produces a core file, unless this feature is disabled by the user
Pooja Singh Rajput (@pooja_rajput_911) on Threads
See files, for information on invoking gdb in the post.
This document explains how ot use gdb, a debugger for the unix environment, to examine a core file
If you have questions on how to compile source code in the unix environment and/or gdb in general, look at the quickstarts for gdb, make and compiling code. This guide explains how to enable, generate, and debug core dumps in linux using tools like gdb, valgrind, and crash utility to analyze core dumps. Segmentation fault (core dumped) i really need to find and view the core file, but i can't find it anywhere Where is it, and how do i view the backtrace in it?
If the file is not found, it means that the linux version is relatively new, so you may not use this method, but use coredumpctl to manage core dumps, see method 2 Method 1 at this time, we want to find out where the program is wrong, so open gdb and enter the program name and core file name: Gdb can be used to read the core dump file and view some useful information about the program when it crashed
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