In NFS, when the server crashes and recovers, it has to contact all clients and tell them to re-open their files.

A student submission runs a fork bomb (:(){ :|:& };:) inside a container, trying to spawn billions of processes. Which cgroup controller is most directly responsible for keeping the host alive?

What is the main disadvantage of fsck as a recovery strategy compared to journaling?

A file system uses 256-byte inodes and 4 KB disk blocks (so 16 inodes fit in each block of the inode table). Within the inode table, where does inode number 40 live?

File Systems (True/False)

The improved version of FFS tried to place directory data blocks near their corresponding inode.

What will be the output from Line 3?

In p5 Part 1, a worker thread in the thread pool finds the task queue empty. What should it do?

Consider this Dockerfile: FROM ubuntu:22.04 RUN apt-get install -y python3 libfoo COPY ./app /app WORKDIR /app CMD [“python3”, “main.py”] You push this image to a registry, and later another user pushes a different image that also starts with FROM ubuntu:22.04. Roughly how much disk/bandwidth is saved by the layered image format?

Containers share the host OS kernel, while virtual machines (VMs) each run their own isolated guest kernel.