There's an interesting discussion going on now in an Experts Exchange Group —
Attachments with no extension
. This reminded me of questions that come up here at EE along the lines of, "How can I tell the type of file from its cont…
Virtualization software lets you run different versions of Windows, Ubuntu Linux and other versions of Linux all at the same time, rather than running each one directly from your computer's hard drive.
Learn how to find files with the shell using the find and locate commands.
Use locate to find a needle in a haystack.: With locate, check if the file still exists.: Use find to get the actual location of the file.: