Indian Institute of Technology Madras
BS Degree Programme · Examination & Study Paper
System Commands
Editing streams with sed
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.
- Scientific calculator allowed for all calculations.
- Official answer key is sealed at the end of this sheet.
End Term · 31 Aug 2025 (FN)End Term
- Q1MCQ5 Marks·Choose one option
- A
- B
- C
- D
- A
- Q2MSQ5 Marks·Choose all correct options
- A
- B
- C
- D
- A
- Q3MSQ5 Marks·Choose all correct options
- A
- B
- C
- D
- A
End Term · 13 Apr 2025 (FN)End Term
- Q4MCQ6 Marks·Choose one option
Select a single sed command to achieve the following. a) Find all lines that start with the word "error". b) Replace the word "error" with "warning" only on those lines. c) Append " - needs review" to the end of those same lines.
- A
- B
- C
- D
- A
- Q5MCQ6 Marks·Choose one option
- ADeletes the first two fields in the CSV file.
- BSwaps the first and second fields of the CSV file.
- CAdds a new field to the CSV file.
- DReplaces all commas in the CSV file with spaces.
End Term · 22 Dec 2024 (FN)End Term
- Q6MSQ3 Marks·Choose all correct options
- A
- B
- C
- D
- A
End Term · 22 Dec 2024 (AN)End Term
- Q7MSQ3 Marks·Choose all correct options
- A
- B
- C
- D
- A