2025-01-10 10:42:27 +05:30
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## OS Lab - Week2
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Q2.
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- `grep -E '^..$' *` (finds all the files in the folder with exactly two characters)
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- `grep '^[A-Z]' *`
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- `grep '\.$' *`
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- `grep ' ' *`
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- `grep '[0-9]' filename > outputfile`
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Q3. - `grep -c "ICT" ITStudents.txt`
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- `sed 's/:IT:/:Information Technology:/g' students.txt > ITStudents.txt`
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- `sed awk -F: '$1 == "1234" { avg = ($6 + $7 + $8) / 3; print avg }' students.txt`
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- `awk 'NR==1 { print toupper($0) } NR>1 { print }' students.txt`
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2025-01-10 11:11:15 +05:30
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Q4. - `grep -rl "MIT" . | xargs sed -i 's/MIT/Manipal Institute of Technology/g'`
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2025-01-10 10:42:27 +05:30
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Q5. - `find . -type f -name '*[0-9]*' -exec wc {} +`
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Q6. - `for i in {1..5}; do wc example.txt & done`
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- `pkill wc`
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