GDB usual command

.gdbinit

# Set assembleur display as intel norme
set disassembly-flavor intel

# Enable step mode
set step-mode on

# Follow child
set follow-fork-mode child

gdb_cmd.sh

# Run gdb
gdb

# Run gdb debugging programe
gdb ./programe_name

gdb_command_tools

# Get program function list
info function
i fu

# Get program function list maching regex
i func funcname

# Disassemble function
dissemble function_name
disass function_name
d function_name

# Get register detail
info register
info register $eax
i r
i r $eax

# Display memory in hexa
x/x *0x00000000
x/x $ebp

# Display memory in string
x/s *0x00000000
x/s $esp + 0x5

# Display memory in decimal
x/d *0x00000000
x/d $edi + 0x5

# Display memory int decimal
x/16b *0x00000000

# move step by step
step
step 10
s
s 10

# setup breakpoint
breakpoint *0x00000000
breakpoint function_name
b *0x00000000
breakpoint *function_name

# continue to next breakpoink
continue
c

# get the process memory info
info proc map

# find string in address range
find 0x00000000, 0x00000000, "/bin/sh"