I'm a GNU/Linux and Free/Libre software user for about twelve years now. In the company I work I am the only one who runs GNU/Linux. It's been that way for a couple of years.
Recently a colleague showed me Excel 2013 is able to open documents that other colleagues "share" in the same time, i.e. they open the same document in the same time, modify it and every other user who has the document open is notified about changes. I guess this is what the word "shared" means, which appears in Excel title when the document is opened by more than one person.
The difference is when I open the same document in LibreCalc, it is locked and my colleague only notices as he tries to save his changes: after a couple of seconds he receives an error message saying "there is a sharing violation"...
My question is: [how] does Libre Office provide the same feature, aka Document Sharing, I guess? What I am after is about having a document opened simultaneously by multiple people in Libre Office. In previous companies I have worked with electronic document management applications, with which this problem is hindered, hence my question.
EDIT: For the record, I have Libre Office 5.0.6.3.