Category Operating Systems

x86 DOS EXE MZ File

The x86 DOS EXE, EXE MZ or MZ file is an executable file in the family of x86 DOS systems. There are different EXE files, including MZ, NE, LE and PE. The only one used in MS-DOS era was MZ,…

Operating Systems

This post is an introduction to operating systems (OSs) and an index for other posts with topics related to operating systems. An OS manages the computer hardware resources, so it is important to understand the different hardware components within a…

Metadata File Formats

This post summarizes some metadata file formats structures. MIME is a standard to add file type information as metadata to a file. List of Metadata File Formats Metadata formats: XMP Extended Metadata Platform (XMP) is published as the standard ISO…

ExifTool

ExifTool is both command-line tool and a Perl library to work with file metadata. It is free and open-source software (FOSS), under a license GPLv1+ or Artistic License. Installing ExifTool You can install ExifTool on macOS by typing: Getting Support…

System Virtualization

This post is an introduction to system virtualization. It is part of a series of articles about virtualization. Description of System Virtualization System virtualization implies that a system (such as an operating system is virtualized). Because it was the first…

Disk Partition Tables

A partition table or partition scheme is a resource that allocates all partitions within the system. Type of partition table: MBR Master Boot Record (MBR) is older than GPT. GPT Each partition within a GUID Partition Table (GPT) uses a…