System administration

• The user and the groups
• Users management
  • Special accounts
• Packages management: RPM (tm)
  • RPM use with the command line
    • Programs installation
    • Programs updating
    • Programs uninstalling
    • Programs checking
  • Kpackage
• How to solve a few classical problems?
  • When I want to launch a program/command, I get the ``Command not found'' message...