sed -i option example | Unix Linux Forums | UNIX for Dummies Questions & Answers

Can anyone give detailed and example for sed -i option. Where can we use this option? ... bash-3.00$ echo "abc" > test.txt bash-3.00$ sed 's/abc/efg/' test.txt efg bash-3.00$ cat test.txt abc bash-3.00$ sed -i 's/abc/efg/' test.txt bash-3.00$ cat test.txt

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