Linux filesystem and directory structure🐧

📁 /
├── 📁 bin
│ ├── ⚙️ ls
│ └── ⚙️ bash
├── 📁 boot
│ ├── 💾 vmlinuz
│ └── 💾 initrd.img
├── 📁 dev
│ ├── 💿 sda1
│ └── 💿 sdb
├── 📁 etc
│ ├── 🛠️ passwd
│ └── 🛠️ fstab
├── 📁 home
│ ├── 📁 james
│ │ ├── 🛠️ .bashrc
│ │ ├── 📁 documents
│ │ └── 📁 .ssh
│ │ ├── 🔐 id_rsa
│ │ └── 🔑 authorized_keys
│ └── 📁 traw
│ ├── 🛠️ .profile
│ ├── 📁 pictures
│ └── 📁 .ssh
│ ├── 🔐 id_rsa
│ └── 🔑 authorized_keys
├── 📁 lib
│ ├── ⚙️
│ └── ⚙️
├── 📁 media
│ ├── 📁 cdrom
│ └── 📁 usb
├── 📁 mnt
│ └── 📁 mymount
├── 📁 opt
│ └── 📁 myapp
├── 📁 proc
│ ├── 📄 cpuinfo
│ └── 📄 meminfo
├── 📁 root
│ ├── 🛠️ .bash_history
│ └── 📁 .ssh
│ ├── 🔐 id_rsa
│ └── 🔑 authorized_keys
├── 📁 run
│ ├── 📄 utmp
│ └── 📄 systemd
├── 📁 sbin
│ ├── ⚙️ init
│ └── ⚙️ reboot
├── 📁 srv
│ └── 📁 myservice
├── 📁 sys
│ ├── 📄 devices
│ └── 📄 firmware
├── 📁 tmp
│ ├── 📄 temp1
│ └── 📄 temp2
├── 📁 usr
│ ├── 📁 bin
│ │ ├── ⚙️ perl
│ │ └── ⚙️ python
│ ├── 📁 lib
│ │ ├── ⚙️
│ │ └── ⚙️
│ └── 📁 local
│ ├── 📁 bin
│ ├── 📁 lib
│ └── 📁 share
└── 📁 var
├── 📁 log
│ ├── 📄 syslog
└── 📄 auth.log
├── 📁 mail
├── 📁 run
├── 📁 spool
└── 📁 wwwlibc.so
libm.so
libssl.so
libcrypto.so 📁 / (Root Directory)
• The top-level directory of the filesystem. All other directories and files are contained within this directory.

📁 /bin
• Contains essential binary executables (commands like ls, bash). These are the basic commands needed for system operation.

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If you want to learn Linux bash scripting for FREE, open this: 1. Getting Started with Bash Scripting

Bash scripts are a series of commands written in a file that can be executed by the Bash shell. This article will cover the basics of creating and running your first Bash script.
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Linux hand-written notes:🧵 ↓ [2]

13 Linux tr command practical examples you should know as a system administrator: The tr command short for translate, is one of the most useful command for manipulating text on the command line.

Linux user management - how to add users in Linux 🧵↓ The useradd command is the main tool for adding new users to a Linux system. This command allows you to quickly create a new user account and configure the user's $HOME directory structure.

13 useful Linux find command practical examples 🧵↓ { 1 } Find empty files and delete them:

This will delete all the empty files in the /home/ubuntu directory.

$ find /home/ubuntu/ -empty -delete

Managing directories in Linux🧵↓ You will regularly need to create and delete directories on the Linux system as a system administrator. The mkdir, rm, and rmdir commands make this possible.

If you want to learn bash scripting and start automating tasks, open this: 1: Intro to Linux Shell Scripting (Free course)

This mini-course is designed to help beginners quickly become proficient in Linux shell scripting in only one hour. It is ideal for those who are just starting with a bash shell.

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Modern Linux boot process explained (detailed thread)🐧↓ When you turn on your Linux computer, it goes through a series of phases before presenting a login screen that prompts you for your username or password.

Every Linux distribution goes through four distinct stages during the boot-up process.

Modern Linux boot process explained 🐧↓ When you turn on your Linux computer, it goes through a series of phases before presenting a login screen that prompts you for your username or password.

Every Linux distribution goes through four distinct stages during the boot-up process.

If you divide hacking into subparts, it becomes much easier to learn:

I created this road map to assist you in getting started. You are welcome to download and use it! The Ultimate Hacker's Roadmap

1. Basic Computer Skills - Computer skills refer to the knowledge and abilities required to operate computers and related technology.

90+ Linux commands that Linux sysadmins and power Linux users regularly use. (bookmark this): 1. ip - used to show or manipulate routing, devices, and tunnels.

2. ls - list the contents of a directory.

3. df - Displays the amount of disk space used.

4. du - display a list of all the files along with their respective sizes.

Managing directories(creating & deleting) in Linux🧵↓ You will regularly need to create and delete directories on the Linux system as a system administrator. The mkdir, rm, and rmdir commands make this possible.

70+ Linux networking commands and their explanation (bookmark this): 1. arp - see your arp table.

2. aria2 – downloading just about everything. Torrents included.

3. arpwatch – Ethernet Activity Monitor.

4. bmon – bandwidth monitor and rate estimator.

5. bwm-ng – live network bandwidth monitor.

11 websites that will help you learn Linux faster (they're all free): 1. LinuxOPsys

A hub for Linux Tutorials and Tips.

🔗linuxopsys.com

12 Practical Grep Command Examples In Linux: In Linux command line, the grep command is a powerful tool for searching text within files.

In this thread, I will go over 12 examples of grep command usage that every Linux user, sysadmin, and developer should be aware of.

Linux command line tools for parsing and analyzing logs 🐧↓ Linux logs are a valuable resource for system administrators, network administrators, developers, and security professionals.

The Linux filesystem and directory structure explained 🐧↓ The Linux Directory Structure is a hierarchical organization system for Linux directories and files. This structure is defined by the Filesystem Hierarchy Standard (FHS)

However, the standard does not yet define some directories in Linux file systems.

Basic Linux commands for text manipulation 🐧↓ Hello Linux folks, Today I'll be doing a quick, easy-to-follow thread on basic Linux text manipulation commands.

95% of my Twitter direct messages ask me about good resources for getting started with ethical hacking. So I decided to make a thread about it.

Here are some of the best (free) resources to get you started (for free): 1️⃣ Basic computer skills.

Professor Messer - CompTIA 220-1001 and 220-1002 A+
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