How do I recover my administrator name on my Mac? Take cursor on top menu bar > click on utilities > click on terminal in the terminal window…

The world of operating systems

What does OS mean on Chromebook? Chromebooks run on Chrome OS, a Google operating system. It’s based on the Google Chrome browser, so it’s different from other operating…

The world of operating systems

How do I run multiple SQL scripts in shell script? If we want to run multiple SQL queries using Shell Script we can use the <<EOF… EOF based…

The world of operating systems

The UNIX kernel is the central core of the operating system. It provides an interface to the hardware devices as well as to process, memory, and I/O management….

The world of operating systems

What is BIOS administrator password? What is a BIOS Password? … Administrator Password: The Computer will prompt this password only when you are trying to access the BIOS….

The world of operating systems

Permission Number Read (r) 4 Write (w) 2 Execute (x) 1 How do I remove Read permissions in Linux? To remove world read permission from a file you…

The world of operating systems

Does cloning a hard drive copy the OS? What does cloning a drive mean? A cloned hard drive is an exact copy of the original, including the operating…

The world of operating systems

Until a few years ago, there were two main versions: the line of UNIX releases that started at AT&T (the latest is System V Release 4), and another…

The world of operating systems

How do I create a GZ file in Unix? gz file on Linux is as follows: Open the terminal application in Linux. Run tar command to create an…

The world of operating systems

How do you change the time in Unix? The basic way to alter the system’s date in Unix/Linux through the command line environment is by using “date” command….

The world of operating systems