Hiding specific files in Ubuntu and Mint is done by placing a dot (.) in front of their name, e.g. renaming the file muh to .muh will mark it as hidden and render it invisible the next time you open
Create shortcuts in Linux (symbolic links)
Windows users are used to be able to create shortcuts to have fast access to their files and folders. This is is especially useful when these are buried deep in their system. This feature isn't as obvious on most Linux