Linux
Operating System, Open Source OS, Free of Cost, Command Line Interface
Various Flavors' of Linux(Type)
Ubuntu OS, Linux Mint OS, Kali Linux OS, Debian OS, Fedora OS, Cent OS/Red Hat Linux, Arc Linux OS
Kernel
It is works as an interface between Hardware and Operating System.
File Security Technique
1) Hide, Password Protected, Encrypt
2) Why you need to secure file?
To protect data unauthorized access
3) CIA stand for Confidentiality Integrity Availability
4) 5 Phases of Hacking
Information Gathering, Scanning Access, Maintaining Access, Clearing Access
5) Tools: Bit locker, Vera Crypt, Ax Crypt
How to use more than one OS in single machine?
Virtual OS, VM Ware Design
Oracle VirtualBox (formerly Sun VirtualBox, Sun xVM VirtualBox and InnoTek VirtualBox) is a hosted hypervisor for x86 virtualization developed by Oracle Corporation. VirtualBox was originally created by InnoTek Systemberatung GmbH, which was acquired by Sun Microsystems in 2008, which was in turn acquired by Oracle in 2010.
Step 1) Open Virtual Box
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Step 2) Create New File
Step 3) File the OS name (Kali Linux) and click the Next button
Step 4) Select the size and click the Next button
Step 5) Click the Finish button
Step 6) Successfully create Kali Linux
