CP/M, which stands for Control Program for Microcomputers, is an operating system that was widely used in the late 1970s and early 1980s for early microcomputers. Developed by Gary Kildall of Digital Research, CP/M served as a platform that enabled the execution of software applications on microcomputers based on Intel architecture, particularly those using the 8080 and Z80 processors.
The 8.3 filename convention is a file naming convention used primarily in older versions of DOS (Disk Operating System) and Windows. It allows filenames to consist of a maximum of 8 characters followed by a period (.) and a file extension of up to 3 characters. This convention was originally created to accommodate the limitations of FAT file systems and to ensure compatibility with older hardware and software. In the 8.
The Amstrad CP/M Plus character set is a character encoding used by the Amstrad CPC series of personal computers, particularly when running the CP/M Plus operating system. CP/M (Control Program for Microcomputers) was an operating system widely used in the late 1970s and early 1980s for microcomputers. The character set utilized by Amstrad CP/M Plus is based on the 8-bit encoding scheme, allowing for a total of 256 characters.
BIOS, which stands for Basic Input/Output System, is firmware that is embedded on a computer's motherboard. It is the first software that runs when a computer is powered on, and it plays a crucial role in the booting process and the overall functioning of the system.
A File Control Block (FCB) is a data structure used by operating systems to manage and store information about files. In the context of file systems, the FCB contains metadata that describes the attributes of a file, such as: 1. **File Name**: The name of the file. 2. **File Size**: The size of the file in bytes. 3. **File Location**: The location on the disk where the file's data starts and how to access it.
The null device, often referred to as `/dev/null` in Unix-like operating systems, is a special file that discards all data written to it, effectively acting as a "black hole" for data. When a process outputs data to `/dev/null`, that data is simply deleted and not stored or displayed anywhere. It is useful for suppressing output from commands or scripts when the output is not needed.
The "Zero Page" in CP/M (Control Program for Microcomputers) refers to a special memory area that has significance for file management and system calls within the CP/M operating system. CP/M, which was widely used in the late 1970s and early 1980s on various microcomputers, made use of a simple, consistent interface for accessing files and performing system-level operations.
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