file1.txt and file2.txt contains ID, Name of persons. Which of the following command Sort and merge the two files such that:
o The output should contain all the IDs from both files.
o The records should be listed in ascending order of ID.
o If an ID appears in both files, merge the records into one
{ for (i = 1; i <= NF; i++) { count[$i]++ }}
END { n = asorti(count, rcount) for (i = 1; i <= n; i++) { print rcount[i], count[rcount[i]] }}What is the primary purpose of this AWK script?
To sort contents of file.
To count the frequency of each word in a file.
To count the number of lines in a file.
To count number of words in a file.
what does the following script do choose most prominent answer
#!/bin/bash
exclude_commands=("sudo" "history")
get_top_commands() { cat ~/.bash_history | \ sed 's/^[^a-zA-Z0-9]*//' | \ awk '{print $1}' | \ grep -vE "^(${exclude_commands[@]})$" | \ sort | \ uniq -c | \ sort -nr | \ head -n 5}
get_top_commandsFinds the first 5 commands from user’s Bash History
Count the frequency of top 5 words in the user’s Bash history.
Find the top 5 unique words from bash history in an alphabetical order
Finds the top 5 most frequently used commands from a user's Bash history
Sign in with Google — it is free — to see every question with its answer and explanation, practise it in learning mode, or take it as a timed mock test.
The IIT Madras BS Introduction to Linux and Programming (Intro to Linux) End Term paper sat on 13 Apr 2025, in the January 2025 term, set QEF3: 16 questions for 100 marks in 180 minutes. The first 3 questions are below. Sign in with Google — it is free — to see the whole paper with its answers and explanations, in learning mode or as a timed mock test.
| Feature | Intro to Linux End Term 13 Apr 2025 Set QEF3 at a glance |
|---|---|
| Term | January 2025 term |
| Subject | Introduction to Linux and Programming |
| Course code | CS1102 |
| Questions | 16 |
| Marks | 100 |
| Duration | 180 min |
| MCQ | 9 |
| MSQ | 5 |
| Numerical | 2 |
| Official paper | IIT M ES FOUNDATION AN EXAM QEF3 13 Apr 2025 |
| Negative marking | No negative marking. |
| Updated |