Basic Usage
Make sure compile file with -g option, which mean turn on debugging with gdb
like this: gcc -g main.cpp -o main
Debugging with GDB
Open file
here are two way
gdb <file>
gdb pat...
Command lineSome Ussful tips
# can delete a sub-string from the very beginning , like var=apple; echo ${var#app}, which will print le.
#, delete a few things as posible
##, (greedy)delete a more t...