Indian Institute of Technology Madras
BS Degree Programme · Examination & Study Paper
System Commands
Quiz 1 · 26 Oct 2025 (Afternoon)
Official Paper
Examination Instructions & Guidelines
- Solve on notebook/paper first before checking solutions.
- MCQ: Exactly 1 option is correct. Negative marking applies.
- MSQ: One or more options correct. Select all to score.
- NAT: Numerical response. No negative marking.
- Scientific calculator allowed for all calculations.
- Official answer key is sealed at the end of this sheet.
- Q1MCQ3 Marks·Choose one option

- A

- B

- C

- D

- A
- Q2MCQ3 Marks·Choose one option

- AOwner can only execute, group can only write, others can read
- BOwner can read and execute, group can read and execute, others can read
- COwner can read and execute, group can write and execute, others can read
- DOwner can read and execute, group can read and write, others can read and write
- Q3MCQ3 Marks·Choose one option

- A

- B

- C

- D

- A
- Q4MCQ3 Marks·Choose one option
Which command will give information on open network ports on the machine?
- A

- B

- C

- D

- A
- Q5MCQ3 Marks·Choose one option

- A

- B

- C

- D

- A
- Q6MCQ3 Marks·Choose one option

- A

- B

- C

- D

- A
- Q7MCQ3 Marks·Choose one option

- A

- B

- C

- D

- A
- Q8MCQ3 Marks·Choose one option

- ALines starting with 3 letters and containing 2 digits anywhere.
- BLines containing exactly 3 letters followed by exactly 2 digits.
- CLines ending with 2 digits.
- DAny line containing at least 3 letters and 2 digits.
- Q9MCQ3 Marks·Choose one option

- A

- B

- C

- D

- A
- Q10MCQ4 Marks·Choose one option

- A

- B

- C

- D

- A
- Q11MSQ3 Marks·Choose all correct options

- A

- B

- C

- D

- A
- Q12MSQ3 Marks·Choose all correct options
Which command is used to display the IP address and network interfaces of your Ubuntu system?
- A

- B

- C

- D

- E

- A
- Q13NAT3 Marks·Write the number
Your answer: - Q14NAT4 Marks·Write the number
Your answer: Read the passage below, then answer Q15–Q16

Based on the above data, answer the given subquestions.
Q15MSQ3 Marks·Choose all correct options
- A

- B

- C

- D

- A
- Q16MSQ3 Marks·Choose all correct options

- A

- B

- C

- D

- A