Use the strings command (Chapter 19) to look for character strings within the binary fi le /bin/ls. Select one string and use hexdump or od to fi nd the exact position of that string in the fi le. To...

Use the strings command (Chapter 19) to look for character strings within the binary fi le /bin/ls. Select one string and use hexdump or od to fi nd the exact position of that string in the fi le.

To display fi le types, you can use either ls -F and file. Why is it necessary to have two such commands?