> ## Documentation Index
> Fetch the complete documentation index at: https://www.integrate.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# ETL: OsFamily

> Extract the operating system family name (Windows, macOS, Linux) from a user agent string using ua_parser. For OS analytics in ETL pipelines.

## Description

Extract operating system family (OS name) from user agent string, based on [ua\_parser](https://github.com/tobie/ua-parser).

## Syntax

`OsFamily(user_agent_string)`

## Examples

`OsFamily('Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; Crebergallery spider robot)')` returns 'Windows 7'

## Return value datatype

string

## Notes

Returns "Other" if OS family can't be extracted from string.

## Impact of null value

If input is null, returns null.