get started

run radare

# to debug
r2 -d

Analysis

#auto analysis functions
aaa
#print all functions
afl

#print the disassembly of current function
pdf
#control graph of the function
vv

# change different view
p 
#change current location
s sys.main

Breakpoint

#set breakpoint
db <address>

Instruction flow

#run program
dc

# step into [instructions]
s

#step over [instructions]
shift+s

Help

#To get help,append ? to the end of any command
?