Workbook 2 Filesystem Basics: Chapter 5 File Names and File Globbing

Question 1

What is the maximum length of a Linux filename, exclusive of any directory components?

Answer 1

Linux filenames can be up to 255 characters long. [45]

Question 2

What is the only character not allowed in a Linux filename?

Answer 2

/ (slash).[45]

Question 3

What are the safe filename characters?

Answer 3

A-Z a-z 0-9 . _ - + ~ [45]

Question 4

What is the first character in the name of all hidden files?

Answer 4

start with a dot are “hidden” files [46]

Question 5

Give a command line that creates a hidden directory named secret

Answer 5

mkdir .secret [48]

Question 6

Give a wildcard pattern that matches in that directory:

- all files with a .html extension

Answer 6

*html [48]

Question 7

Give a wildcard pattern that matches in that directory:

- all files

Answer 7

• [48]

Question 8

Give a wildcard pattern that matches in that directory:

- all files that begin with the letter p or s

Answer 8

[ps]* (page 48)

Question 9

Give a wildcard pattern that matches in that directory:

- all files whose name begins with page and that have a .htm extension (NOT .html)

Answer 9

page* .htm (page 48)

Question 10

Give a wildcard pattern that matches in that directory:

- That is not from the list of range

Answer 10

[^pd]* (page 48)