sed : stream editor

unix is great os. unix is opensource. unix is free os. learn operating system. unix linux which one you choose. unix is easy to learn.unix is a multiuser os.Learn unix .unix is a powerful.

sed -e 's/unix/UnIx/g' filename.txt : Searches for unix and replaces it with UnIx everywhere. Here g stands for making changes globally. UnIx is great os. UnIx is opensource. UnIx is free os. learn operating system. UnIx linux which one you choose. UnIx is easy to learn.UnIx is a multiuser os.Learn UnIx .UnIx is a powerful. linux is easy to learn.linux is a multiuser os.Learn linux .linux is a powerful.

sed 's/unix/UnIx/1g' filename.txt : Replaces with Unix globally from the first occurrence in a line. UnIx is great os. UnIx is opensource. UnIx is free os. learn operating system. UnIx linux which one you choose. UnIx is easy to learn.UnIx is a multiuser os.Learn UnIx .UnIx is a powerful. linux is easy to learn.linux is a multiuser os.Learn linux .linux is a powerful.

sed '3,5s/unix/UnIx/' filename.txt : It will replace the unix with UnIx from 3rd line till 5th line if present. unix is great os. unix is opensource. unix is free os. learn operating system. UnIx linux which one you choose. UnIx is easy to learn.unix is a multiuser os.Learn unix .unix is a powerful. linux is easy to learn.linux is a multiuser os.Learn linux .linux is a powerful.

sed '1,2s/unix/UnIx/' filename.txt: It will replace the unix with UnIx from 1st line and 2nd line. UnIx is great os. unix is opensource. unix is free os. learn operating system. unix linux which one you choose. unix is easy to learn.unix is a multiuser os.Learn unix .unix is a powerful. linux is easy to learn.linux is a multiuser os.Learn linux .linux is a powerful.

sed '1,$s/unix/UnIx/' filename.txt : It will replace the unix with UnIx from 1st line till the last line. Here “$” indicates end line. UnIx is great os. unix is opensource. unix is free os. learn operating system. UnIx linux which one you choose. UnIx is easy to learn.unix is a multiuser os.Learn unix .unix is a powerful. linux is easy to learn.linux is a multiuser os.Learn linux .linux is a powerful.

sed '/unix/ a "Add a new line"' filename.txt : It adds “Add a new line” at the end of the line in which unix occurred. unix is great os. unix is opensource. unix is free os. “Add a new line” learn operating system. unix linux which one you choose. “Add a new line” unix is easy to learn.unix is a multiuser os.Learn unix .unix is a powerful. “Add a new line” linux is easy to learn.linux is a multiuser os.Learn linux .linux is a powerful.

sed '/unix/ i "Add a new line"' filename.txt : i means insert the “Add new line” before the occurence of unix “Add a new line” unix is great os. unix is opensource. unix is free os. learn operating system. “Add a new line” unix linux which one you choose. “Add a new line” unix is easy to learn.unix is a multiuser os.Learn unix .unix is a powerful. linux is easy to learn.linux is a multiuser os.Learn linux .linux is a powerful.

sed '/unix/ c "Add a new line"' filename.txt : replace the line containing unix with the content “Add new line” “Add a new line” learn operating system. “Add a new line” “Add a new line”