If you use UltraEdit as your text editor and edit a lot of Linux/Unix files, you’ve no doubt encountered the “File is probably not DOS format” message every single time you open a file. So irritating…

There’s an easy fix to get around this frustrating error message:

Just go to Advanced \ Configuration from the dropdown menu.

In the Configuration dialog, choose File Handling and then DOS/UNIX/MAC Handling in the left-hand tree menu.

Under UNIX/MAC file detection/conversion, just choose Disable to make the error message go away. UltraEdit will no longer prompt you to convert the files, but don’t worry, it will keep them in their original format.

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Lowell is the founder and CEO of How-To Geek. He’s been running the show since creating the site back in 2006. Over the last decade, Lowell has personally written more than 1000 articles which have been viewed by over 250 million people. Prior to starting How-To Geek, Lowell spent 15 years working in IT doing consulting, cybersecurity, database management, and programming work.
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