/ - Root
Binary Locations :
/bin - User commands (ls, cp, cat) /sbin - Admin Commands (ip, reboot, mount) /usr/bin - user installed binaries /usr/sbin - Admin Binaries
/lib - stores binaries related to core system programs (Similar to DLL’s in windows)
Security Related :
/etc/passwd - User accounts /etc/shadow - Password Hashes (restricted) /etc/group - Group definations /etc/sudoers - Sudo previlages /etc/cron* - Scheduled tasks /etc/systemd/ - Services /etc/ssh/sshd_config - SSH security
User Related (inside /home/(user)) :
.ssh/ - SSH keys .bash_history or .zsh_history - Stores logs of bash and zsh commands
Temporary Locations :
/tmp - Anything stored here is cleared after boot /var/temp - Not cleared after boot
Logs :
/var/log/ - has directories and files with all logs