Binary analyzis
objdump -f a.out # file headers
objdump -r a.out # check offsets
objdump -h a.out # sections
objdump -j .text -s a.out # check content of section
objdump -tT a.out # symbols
objdump -p a.out # private symbols
objdump -D a.out
objdump -S a.out
hexdump
strings
size
readelf -h a.out # show elf file information
readelf -r a.out # show realocations offsets
ldd /usr/bin/ls