lineno

Lineo (also known as lineno or line numbering) is a feature in word processing and text editing software that displays a sequence of numbers on the left-hand side of a text, usually in a column. These numbers, known as line numbers or line indicators, correspond to the individual lines of text, allowing users to quickly identify and reference specific lines within a document.

There are different types of line numbering, including continuous line numbering, which numbers every line sequentially, and incremental line numbering, which increments the counter only when a new paragraph is begun. Some word processing software also offers italics or underline formatting options for line numbers.

Users of line numbering often employ it to:

* Reference specific lines in scholarly or authorial work

* Identify errors in document content

* Ease the process of comparing two or more versions of the document

* Verify whether password fields within web applications are implemented securely when typing live line numbers of addresses

It is worth noting that line numbering can also be achieved with operating system based and freestanding text editors. While editor features such as autocomplete, formatters and sorts are incorporated in most user friendly editors, use of line numbers allows developers to remain undeveloped due to conflicting environments.

Beyond word processing software, line numbering can also be seen in use in other software environments such as in console history and to LOG files, recording step and step console results. In such contexts, line numbering can serve as means aid precision through time demanding debugging and compare log outputs