Q: What is a Transaction in DBMS and ACID properties? Q: What is Thread and how it is different from the Process? Q: What are some Linux commands. Write any 5 commands? Q: Why sudo is used for commands? Q: Linux command to run terminal as an administrator? Q: What is apt-get? How apt-get works behind the scene? Q: Idea of Topological Sorting?

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A transaction in DBMS is a sequence of operations that must be treated as a single unit of work. ACID properties ensure reliability and consistency of transactions.
A thread is a lightweight process that shares memory and resources with other threads in the same process. A process is a separate instance of a program.
Common Linux commands include ls, cd, mkdir, rm, and grep.
sudo is used to run commands with administrative privileges.
The Linux command to run terminal as an administrator is sudo su.
apt-get is a package manager for Debian-based Linux distributions. It works by downloading and installing packages from software repositories.
Topological sorting is a way of ordering nodes in a directed acyclic graph based on their dependencies.

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