Linux Theory

• Root user is the main user running entire Linux system
• Admin accoun IS NOT THE SAME as root user. Admins are accounts of** 'wheel' **group
  • Don't use typical (easy to guess) names for admin acc
• Use **Sudo **to run commands as root user
• **kdump - **Linux kernal feature that creates crash dumps in event of kernel crash
• **Boot directory **contais boot files, kernal, ram, mapping