Thread by @maybeshalinii

Here is the Complete Linux File System [Explained]:

📁 /
∟ 📄boot
∟ 📁bin
∟ 📄ls
∟ 📄mkdir
∟ 📁dev
∟ 📄sda
∟ 📁etc
∟ 📄hostname
∟ 📄passwd
∟ 📄nginx .conf
∟ 📁home
∟ 📁user1
∟ 📄.bashrc
∟ 📁user2
∟ 📄notes.txt
∟ 📄.bashrc
∟ 📁lib
∟ 📄libcrypto .so
∟ 📄libssl .so
∟ 📁mnt
∟ 📁opt
∟ 📁app1
∟ 📄app1_executable
∟ 📁app2
∟ 📄app2_executable
∟ 📁proc
∟ 📁root
∟ 📁sbin
∟ 📄init
∟ 📄shutdown
∟ 📁srv
∟ 📁sys
∟ 📁tmp
∟ 📁usr
∟ 📁bin
∟ 📄gcc
∟ 📄python
∟ 📁include
∟ 📁lib
∟ 📄libncurses .so
∟ 📁local
∟ 📁bin
∟ 📄custom_app
∟ 📁lib
∟ 📄libcustom_lib .so
∟ 📁share
∟ 📁var
∟ 📁log
∟ 📄syslog
∟ 📄nginx .log
∟ 📁www
∟ 📁html
∟ 📄index .html

------------- Explained --------------

Certainly, let's go through the components of this Linux file system:

1. /boot: This directory contains essential files for booting the system.

2. /bin: Basic system binaries reside here, such as common command-line utilities like `ls`, `mkdir`, and `cp`.

3. /dev: This directory contains device files that represent various devices connected to the system, such as hard drives (`sda`, `sdb`) and pseudo devices like `null`.

4. /etc: Configuration files for the system and installed applications are stored here. Examples include `fstab` (filesystem table), `hostname` (system's hostname), `passwd` (user account information), `sudoers` (sudo configuration), and `nginx .conf` (configuration for the Nginx web server).

5. /home: User home directories are typically found here. Examples include `user1`, `user2`, and `user3`, each with their files and settings.

6. /lib: Shared libraries (similar to Windows DLLs) that programs can use are stored here. Examples are `libcrypto .so` and `libssl .so`.

7. /mnt: This directory is often used as a mount point for temporary filesystems.

8. /opt: Additional software packages and applications that are not part of the core system can be installed here. Each package may have its own subdirectory, like `app1` and `app2`.

9. /proc: A virtual filesystem that provides information about running processes and system status.

10. /root: The home directory for the root user.

11. /sbin: System binaries essential for system administration, like `init` (the first process) and `shutdown` (to shut down the system).

12. /srv: This directory is typically used for data served by the system.

13. /sys: Another virtual filesystem that provides information about kernel and devices.

14. /tmp: Temporary files are stored here. They are usually cleared on system startup.

15. /usr: This directory contains user programs and data.

- /usr/bin: User-level command binaries.

- /usr/include: Header files for C/C++ libraries.

- /usr/lib: Libraries for programming and software.

- /usr/local: Software manually installed by the system administrator.

16. /var: Variable data that changes frequently.

Overall, this file system structure reflects a standard layout found in many Linux distributions, with key directories serving specific purposes, from system binaries to user files, libraries, configuration, and temporary data. Keep in mind that while this is a general representation, individual distributions might have variations or additional directories based on their design and purpose.

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