The general consesus seems to be that there's no equivalent to the windows insert/overwrite on Mac.
Oh, I beg to differ. Strongly. Because there is. I know this because I ocassionally type the overwrite keystroke. I've experienced it in multiple text editors (TextWrangler and Sublime Edit 2) and other places across multiple versions of OS X. Don't believe me? Here's a screenshot of the darn underscore cursor that indicates overwrite:
Yes, Virginia, the Mac does have an overwrite key (or at least shortcut). Will you please tell me what how to undo it?
Pro, OS X Mountain Lion (10.8.2), Also: 10.6, etc
This site contains user submitted content, comments and opinions and is for informational purposes only.
Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site.