2.2 Using the Command Line to Get Help

Question 1

• What directory is most Linux documentation the system is using stored in?
• What does this directory contain?

Answer 1

• /usr/share/doc/
• a directory for most packages installed
  
  • README.txt, changelog (program in detail, config files)

Question 2

What command/character do you use to search a man page? Give example.

Answer 2

• Use a “/”.
• “N” to go up. “n” to go down.
• ”?” to go up
• “n” to find next match
• E.g. “man echo”. Once in the man page type “/backslash” to see all instances of “backslash”.

Question 3

1. What is “man -k” used for?

2. What is the other command that has the same function?

Answer 3

1. Search the short descriptions and man page names for keywords.
2. “apropos”

Question 4

Benefits of Info Pages

Answer 4

• More detailed than man pages.

Question 4

Benefits of Info Pages

Answer 4

• More detailed than man pages.

Question 5

What command searches within a database and outputs every name matching a given string?

Answer 5

• “locate”

- e.g. locate note

Question 6

• What command searches a directory tree recursively, including its subdirectories.
• What is required for this command to work?

Answer 6

• “find”

- It requires at least the path it should search.