GDB - Command line debugging

This is draft

Compile your program using -g flag

gcc hello.c -o hello -g

gdb hello

(gdb) l
1 #include
2 
3 int main(){
4     printf("Hello world\n");
5     return 0;
6 }
(gdb) 

(gdb) l
Line number 7 out of range; hello.c has 6 lines.
(gdb)

(gdb) break 4
Breakpoint 1 at 0x40053a: file hello.c, line 4.
(gdb) r
Starting program: /home/maruf/dev/cmddebug/hello 

Breakpoint 1, main () at hello.c:4
4     printf("Hello world\n");
(gdb) 

Using console IDE

gdb hello --tui

Breakpoint

Step into

(gdb)s

Step over

(gdb)n

Other commands

r - 
until 
p variable-name  - show value

clear line-number - delete breakpoint 
d - delete all breakpoints
watch  

(gdb)info breakpoints

(gdb) info breakpoints
Num     Type           Disp Enb Address            What
1       breakpoint     keep y   0x000000000040053a in main at hello.c:4
        breakpoint already hit 1 time


(gdb)info watchpoints
c - continue execution
frame - show call stack

(gdb) frame
#0  main () at hello.c:4