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Q21. – (Topic 3)
What does the ? symbol within regular expressions represent?
A. Match the preceding qualifier one or more times.
B. Match the preceding qualifier zero or more times.
C. Match the preceding qualifier zero or one times.
D. Match a literal ? character.
Q22. – (Topic 3)
Which of the following command sets the Bash variable named TEST with the content FOO?
A. set TEST="FOO"
B. TEST = "FOO"
C. var TEST="FOO"
Q23. – (Topic 3)
Which of the following commands can be used to create a USB storage media from a disk image?
Q24. – (Topic 3)
Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)
D. uname -u
E. time âup
Q25. – (Topic 3)
When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?
Q26. – (Topic 3)
Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?
A. cat < myapp | cat > file1.log
B. myapp 0>&1 | cat > file1.log
C. myapp | cat > file1.log
D. myapp | tee file1.log
E. tee myapp file1.log
Q27. – (Topic 2)
Which of the following environment variables overrides or extends the list of directories holding shared libraries?
Q28. – (Topic 3)
Which of the following commands moves and resumes in the background the last stopped shell job?
Q29. CORRECT TEXT – (Topic 2)
Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)
Answer: /tmp, tmp, /var/tmp, /tmp/, /var/tmp/
Q30. – (Topic 1)
Which of the following statements is correct when talking about /proc/?
A. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
B. All files within /proc/ are read-only and their contents cannot be changed.
C. All changes to files in /proc/ are immediately recognized by the kernel.
D. All files within /proc/ are only readable by the root user.