[Linux][System] Learning Linux File Structure

/bin

/bin/cat
/bin/ls
/bin/bash
/bin/chmod

/sbin

/boot

/dev

# Example
# Hardware disk
/dev/sda
# Disk partition
/dev/sda1

/etc

/etc/apt
/etc/apt/sources.list

/lib, /lin32, /lib64

/media

/media/<username>/<device-name>

/mnt

/opt

/opt/<software-folder>/<software-stuffs>

/proc

/proc/<PID>/<file-for-that-process>
/proc/cpuinfo
/proc/uptime

/root

/run

/snap

/snap/bin/
/snap/gnome-3-26-1604/

/srv

/sys

/sys/dev/
/sys/kernel/
/sys/devices/
/sys/bus/

/tmp

/usr

/usr/bin/
/usr/sbin/
/usr/lib/
/usr/local/bin/
/usr/local/sbin/
/usr/local/lib/
/usr/share

/var

/var/crash/
/var/log/

/home

/home/<username>/Desktop
/home/<username>/.cache
/home/<username>/Documents

/cdrom

Other Information

Q1: How to access to / folder

Reference

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