Online Access Free 101-400 Practice Test

Which of the following environment variables overrides or extends the list of directories holding shared libraries?

• A.LD_RUN_PATH
• B.LD_SHARE_PATH
• C.LD_LOAD_PATH
• D.LD_LIBRARY_PATH
• E.LD_LIB_PATH

Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?

• A.query
• B.dirname
• C.basename
• D.whereis
• E.which

What is the default nice level when a process is started using the nice command?

• A.10
• B.20
• C.-10
• D.0

Which of the following settings for umask ensures that new files have the default permissions -rw-r----- ?

• A.0038
• B.0640
• C.0017
• D.0027

Which of the following commands changes all occurrences of the word "bob" in file data to "Bob" and prints the result to standard output?

• A.sed's/bob/Bob/' data
• B.sed'/bob/Bob' data
• C.sed's/bob/Bob/g' data
• D.sed'/bob/Bob/' data
• E.sed's/bob,Bob/' data