Computer Forensics Hard Disk And Operating System [C|EH]

[EC Council / [C|EH] – Full Disclousure

HardDisk : Data is organized on a hard disk in a method similar to that of a filing cabinet. The user can easily access the data and programs. When a computer uses a program or data, the program or data is copied from its location to a temporary location. When a user makes changes to a file, the computer saves the file by replacing the older file with the new file. Data is recorded magnetically onto a hard disk. A rapidly spinning platter is used as the recording medium. Heads just above the surface of the platter are used to read data from and write data to the platter. A standard interface connects a hard disk to a computer. Two common interfaces are IDE and SCSI.

Introduction to Windows, Linux, and Macintosh Boot Processes

This chapter focuses on the boot processes for the major operating systems available today. Booting, also called bootstrapping, is the process of loading an operating system into a computer’s main memory. This step takes place during the boot sequence, which is the set of steps a computer system takes after it has been powered on. The chapter begins by covering some basic information about the boot process. It then discusses the boot process for the legacy operating system MS-DOS before moving on to discussing the boot processes for Windows, Linux, and Mac OS

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