Linux Lab 2: Pathnames and History

Authority mappings

Checkpoint 1: Path Tracing

• 1 cd absolute 2 pts
  pwd is /var/log. After cd /etc, what does pwd print?
• 2 cd home 2 pts
  After cd, what does pwd print (no arg)?
• 3 cd previous 2 pts
  After cd -, what does pwd print?
• 4 cd relative 2 pts
  After cd ~/projects/lab1; cd ../..; pwd?

Checkpoint 2: Absolute vs Relative

• 1 paths classification 3 pts
  Classify 5 paths as absolute or relative.

Checkpoint 3: Wildcards

• 1 wildcards 4 pts
  Given 6 files, which files does ls *.txt match? ls file?.txt? ls file[0-9].txt?

Checkpoint 4: Command History

• 1 history 3 pts
  Run several commands, then show output of history. Use !n to re-run.
• 2 Ctrl-R 2 pts
  Use Ctrl-R to search history.

Checkpoint 5: Tab Completion

• 1 tab completion 2 pts
  Demonstrate tab completion on a long filename and on a command name.