nm and symbol types

Question 1

nm

Answer 1

Utility to list symbols from a binary. USe with pipe to grep to isolate a symbol. Accepts wildcards in filenames. -n flag to sort. -g for external symbols. -S for sizes. -a for debugger-only symbols. -l for line numbers.

Question 2

Symbol Type A

Answer 2

Absolute symbol

Question 3

Symbol Type B

Answer 3

Uninitialized data symbol

Question 4

Symbol Type D

Answer 4

Initialized Data Symbol

Question 5

Symbol Type N

Answer 5

Debugging Symbol

Question 6

Symbol Type T

Answer 6

Text Symbol

Question 7

Symbol Type U

Answer 7

Symbol Undefined