• Linux Online
• Linux International
• Linux Journal
• Linux Lessons
• Linux Newbie (very nice useful Linux site;
  especially useful:
  Linux shortcuts and commands
• Linux Gazette
• Red Hat
• Fermilab Linux page
• Loughborough University (Gnome, KDE, SSH work)
• John Clark's Linux hints
• SAL (Scientific Applications in Linux)

UNIX

• UNIXhelp (condensed matter theory group at Harvard)
• UNIXhelp (FSU, Meteorology)

SSH sites:

• SSH community site
• FSU SSH page
• Caltech
• download TeraTerm terminal emulator
• get ttssh extension of to ttermpro
• download putty
• lsh (free SSH2) (Loughborough University)