There have been many questions here at Experts Exchange along the lines of, "How can I tell the type of file from its contents?", as well as, "What kind of file has the XXX extension?" Sometimes the situation is that a file does not even have an extension. This article addresses those issues.
I previously wrote an article addressing the use of UBCD4WIN and SARDU. All are great, but I have always been an advocate of SARDU. Recently it was suggested that I go back and take a look at Easy2Boot in comparison.
System Utilities are a type of system software used to support the computer infrastructure, distinguishing it from application software which is aimed at directly performing tasks that benefit ordinary users. Commonly used utilities include password managers, disk managers, system monitors, data synchronization tools, security and antivirus software and editors.