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Linux Fundamentals

Move around a system, read permissions, watch processes and find out why something failed.

16 lessons · about 133 minutes

What you'll go through

  • 01The operating system you already depend on9 min
  • 02Why there are 300 Linuxes and which one to care about8 min
  • 03Your terminal is asking you a question7 min
  • 04The path is not a location, it's directions8 min
  • 05Everything is a file — and that's not a metaphor9 min
  • 06Finding a file when you forgot where you put it8 min
  • 07Reading a file without opening an editor8 min
  • 08Text is an API: pipes and filters9 min
  • 09The command works. With sudo it doesn't.8 min
  • 10Permission denied on a file you own9 min
  • 11Why chmod 777 fixes nothing8 min
  • 12Nothing is frozen: find out what it's waiting for8 min
  • 13Stop it without breaking it8 min
  • 14Install software without breaking your system9 min
  • 15The disk is full and du says it isn't8 min
  • 16The log already told you — you scrolled past it9 min