Find alternative to `tail -f`

Seeing these:
```
local.ERROR: The process "'tail' '-f' 'output.txt'" exceeded the timeout of 60 seconds. {"userId":1,"exception":"[object] (Symfony\\Component\\Process\\Exception\\ProcessTimedOutException(code: 0): The process \"'tail' '-f' 'output.txt'\" exceeded the timeout of 60 seconds. at /path/Process.php:1236)
```