Sed Command in Linux

Replacing all the occurrence of the pattern in a line : The substitute flag /g (global replacement) specifies the sed command to replace all the occurrences of the string in the line.

$sed 's/apple/lemon/g' test.txt

https://www.tecmint.com/linux-sed-command-tips-tricks/


https://www.geeksforgeeks.org/sed-command-in-linux-unix-with-examples/

https://likegeeks.com/sed-linux/