Unix fundamentals 101

• File systems
  • Background
  • Navigating the filesystem
  • Working with disks in Linux
  • Configuring your drive with partitions
  • Formatting partitions with new file systems
  • Mounting a filesystem
  • Filesystem options
  • How filesystems work
  • Inodes
  • File system layout
  • Fragmentation in unix filesystems
  • Filesystem objects
• Shells
  • What is a shell?
  • Introduction to Bash
  • Shell Fundamentals
• Package management
  • Workflow
  • What is a package manager?
  • RPM and yum (RedHat, CentOS, Fedora, Scientific Linux)
  • dpkg and APT (Debian, Ubuntu)
• The Boot Process
  • Power Supply Unit
  • BIOS and CMOS
  • POST tests
  • Reading the Partition Table
  • The Bootloader
  • The Kernel and the Ramdisk
  • OS Kernel and Init
  • Runlevels
  • Getty
• Useful shell tools
  • The Unix Philosophy
  • Working with your system
  • Extracting and manipulating data
• Crontab
  • What is a “crontab”?
  • The crontab command
  • What are some common “cron expressions”?
  • Advanced “crontab”
  • Footnotes