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A must-know topic for DevOps interviews💡
Many engineers follow blogs and manage to get things done without understanding what each linux system folder represents.
Understanding the organization and hierarchy of directories in Linux is crucial for DevOps engineers while working with Linux Systems.
Each linux folder is like a special place where certain types of files are kept.
Here's a simple explanation for each, using real-world examples:
- /𝗯𝗶𝗻: This is like a toolbox where your basic tools (commands) are kept, such as the ones you use to copy or move files around.
- /𝗯𝗼𝗼𝘁: Think of it as a car's ignition system where all the necessary files are stored to start (boot) the computer system.
- /𝗱𝗲𝘃: This folder is like a parking garage for devices. It contains files that represent devices like your keyboard, mouse, or USB drives.
- /𝗲𝘁𝗰: This is the filing cabinet for configuration files, where settings for programs and the system are stored.
- /𝗵𝗼𝗺𝗲: Like a neighborhood where everyone has their own house, this is where users have their personal folders to store their files.
- /𝗹𝗶𝗯: Consider this a library where the system's shared resources and codes (libraries) are stored that programs need to run.
- /𝗺𝗲𝗱𝗶𝗮: This is the shelf where you put removable media, like when you plug in a CD or a USB stick and it shows up.
- /𝗺𝗻𝘁: Think of it as a temporary guest room for storage devices, where you mount them temporarily to access their content.
- /𝗼𝗽𝘁:- It's like a storage room for extra software that doesn't come with the standard installation.
- /𝗽𝗿𝗼𝗰: This is the information center of the system, displaying real-time system information, almost like a live dashboard.
- /𝗿𝗼𝗼𝘁: It’s the private home directory for the 'root' user, like a secure office for the system administrator.
- /𝘀𝗯𝗶𝗻: This is like a secure toolbox for the system admin's tools (commands) that are used for system maintenance.
- /𝘀𝗿𝘃: It's the service room where data for services provided by the system, like web pages, are stored.
- /𝘀𝘆𝘀: This directory acts as a window into the system's kernel and helps manage and understand the hardware connected to the system.
- /𝘁𝗺𝗽: Consider this a scratch pad or a temporary workspace where files are stored temporarily.
- /𝘂𝘀𝗿: This is like a public library for additional user programs and files that are used by everyone.
- /𝘃𝗮𝗿: This is the office where variable data such as logs, databases, emails, etc., that change frequently, are stored.
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