The three most exciting and unusual topics for writing an essay on systems programming?

Question

System Programming

Who will tell?) It is necessary that something directly)

Answer 1

Abstract: "How I made a real-time clock in the form of a resident program built on processor interrupts for OS CP / M (read by SIPIEM)" You will not have a price as a crypto-archaeologist.

Answer 2

Finding rootkits by comparing the output of low-level and high-level OS functions.

Answer 3

White list application control - allow launching only those EXE or DLL, the hash sums of which are in the white list distributed from the server (antivirus "on the contrary" - without virus signatures)

Answer 4

There is nothing "funny" and "exciting" in system programming - it is hellish, painstaking, unnoticed work.