Linux Sed: Replace Text by Line Numbers
Stream Editor, often referred to as "sed," is a powerful text-processing utility commonly used in Unix and Linux environments. It operates by reading input text line by line, applying specified text manipulation commands, and then outputting the modified text. Sed is particularly useful for making changes to text files, performing substitutions, deletions, insertions, and more.
This tutorial guides you through the process of replacing text by line numbers, showcasing the power and efficiency of Sed in the command line.