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Open File Table

Linkage & Buffering

Describe the structure of the Open File Table maintained by the OS. Explain the two different levels of this table (per-process and system-wide) and the information stored in each.

More in Operating Systems Prompts:- Linkage & Buffering

Deadlocks & Synch:- Deadlock Prevention

For the four deadlock conditions (Prompt 16), propose one distinct Deadlock Prevention strategy that effectively negates or removes that spe...

Kernel & System Calls:- Device Drivers

Explain the role of a Device Driver in the OS structure. Describe how it acts as an interface layer between the kernel and the hardware, usi...

Process Management:- Race Condition

Define a Race Condition. Provide a small pseudocode example of two concurrent processes accessing a shared counter variable to illustrate ho...

Process Management:- Thread Pools

Explain the purpose and benefit of using a Thread Pool in server applications. Detail two advantages over creating a new thread for every cl...

Kernel & System Calls:- Policy vs. Mechanism

Distinguish between Policy and Mechanism in OS design (e.g., scheduling). Give an example of each in the context of memory management (e.g.,...

Process Management:- Process Scheduling Visualization

For a new scheduling algorithm, propose 4 key data points that should be displayed in a Gantt Chart to effectively visualize its performance...

Process Management:- Process State Transitions

Describe the five-state process model (New, Ready, Running, Waiting, Terminated). For each transition (e.g., Ready → Running), specify the e...

Process Management:- Process Control Block (PCB)

List 8 critical pieces of information stored in a typical Process Control Block (PCB). For each item (e.g., Program Counter), explain its ro...

Process Management:- Inter-Process Communication (IPC)

Compare and contrast Shared Memory and Message Passing as IPC mechanisms. Detail one advantage and one disadvantage for each in the context ...

Process Management:- Thread vs. Process

Explain the core difference between a User-Level Thread and a Kernel-Level Thread in terms of creation, management, and the impact of a bloc...

Process Management:- Context Switching Overhead

Define Context Switching and list 4 distinct overhead costs (in terms of time or resource consumption) incurred by the operating system duri...

File Systems:- Inode Structure (Unix)

List 5 essential pieces of file metadata (excluding the file name) typically stored in a Unix inode. Explain the role of the indirect blocks...