Chapter 07 Exam

Compression on a file works by:

• Removing redundant information

In general, for which of the following would you want to use lossless compression?

• A log file

Which command would you use to archive the Documents directory and compress it with bzip2 compression?

• tar cjf documents.tbz Documents

Which flag would you pass to tar in order to have it make a new archive?

• -c

Which command will show what is inside the compressed tarball with a name of foo.tar.gz?

• tar tzf foo.tar.gz

In the command tar cvjf foo.tbz a b c, what are a, b, and c?

• Matching operators; anything starting with a, b, or c will be added

Given a file called documents.zip, how can you see whats in it without extracting the files?

• unzip l documents.zip

Which of the following commands can be used to compress a file?

• gzip
• zip
• bzip2

In the command tar czf foo.tar.gz bar, what is the purpose of the f flag?

• Tells tar to print the name of each file as it is processed

The _____ command is normally executed daily to update the database of all files that are on the system.

• updatedb

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Milan Tomic

Hi. I’m Designer of Blog Magic. I’m CEO/Founder of ThemeXpose. I’m Creative Art Director, Web Designer, UI/UX Designer, Interaction Designer, Industrial Designer, Web Developer, Business Enthusiast, StartUp Enthusiast, Speaker, Writer and Photographer. Inspired to make things looks better.