HCLTech Software Developer interview questions

Initially we attended HCL MAD Ltd (Some personal training), We had a aptitude test, then conducted a personal interview. Some presentation about the company given, then job offered based on the good academical performance and soft-skill training.

they had first round which contains 40 questions of technical(computer fundamentals,operating system,data structure) and aptitude questions 2 round-coding test 3.face to face round(technical) asked questions like write linked list, operating system related questions............ orphan process and all