Every file that we have saved on our computers has a particular extension. The file extension is added at the end of the filename followed by a dot (.). It tells the operating systems about the ...

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

A Unix file name that begins with a period, which designates the file as hidden from normal view. In Unix, the ls command displays the file names in the current folder. The -a switch shows the hidden ...

Windows programs have unique "Process IDs." Windows identifies all processes using this ID. Microsoft Winform developers often need to allow users to open files such as Word documents, images and even ...