Category: Uncategorized
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Neetcode: Array and Hashing
Problem 1: Contains Duplicate Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct. Problem 2: Valid Anagram Given two strings s and t, return true if t is an anagram of s, and false otherwise. An Anagram is a…
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Linux User Management
In Linux, users can be categorised into 3 general categories:
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Linux Basics
https://www.youtube.com/watch?v=UCr04qIB7uc What is Linux? Linux Distributions Family: Linux distribution: When a kernel is bundled with the operating system software and bundled together, that is called Linux distribution. Kernel: Distribution: Bootloader: Services: a program which runs as the background: Filesystem: Method for storing and organising files: Shell: Command line interpreter that interprets the command line input…