UNIX Architecture
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UNIX Architecture is layer-based, meaning each layer has a specific role and interacts with others in a structured way. 🔹 Layers of UNIX Architecture 1️⃣ Hardware 2️⃣ Kernel (Heart of…
History of Unix
History of UNIX (Short & Clear) 🔹 Origins (1960s–1970s) 🔹 C Language & Portability (1973) 🔹 Academic Spread (1970s–1980s) 🔹 Commercial UNIX (1980s–1990s) Many companies released their own UNIX versions:…
unix command
UNIX -commandshortDownload
the Priority Scheduling – Non-Preemptive solution for the given data.
Given Process Table (Assume: lower priority number = higher priority) Process Arrival Time Burst Time Priority P1 0 5 3 P2 2 3 5 P3 3 2 1 P4 1…
Types of query in SEO
1. Informational Query The user wants to learn something or get information. Examples: Purpose:Knowledge, answers, guides, definitions. 2. Navigational Query The user wants to go to a specific website or…
SEO Material
SEO All MaterialDownload circular-BCA syllabus sem 3-4Download
Deadlock
Definition: A deadlock is a situation in which two or more processes are waiting for resources that are held by each other, and none of them can proceed.In short, it…
Priority-Based Non-Preemptive and Priority-Based Preemptive Scheduling
1. Priority-Based Non-Preemptive Scheduling Definition: In Priority Non-Preemptive Scheduling, each process is assigned a priority.The CPU is allocated to the process with the highest priority (smallest number = highest priority).Once…
Round Robin (RR) Scheduling Algorithm
Definition:Round Robin is a preemptive CPU scheduling algorithm where each process is assigned a fixed time slice or quantum. The CPU executes each process for this fixed amount of time…
OS Types (User Point of View) • OS Types (Features Point of View)
Perspective OS Type Description Example User Point of View Single-User One user at a time Windows 11 Multi-User Many users simultaneously UNIX CLI Command-based interface MS-DOS GUI Icon/menu-based interface macOS…