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Q21. - (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
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 4)
Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)
A. chmod +s /tmp
B. chmod +t /tmp
C. chmod 1775 /tmp
D. chmod 4775 /tmp
E. chmod 2775 /tmp
Q24. - (Topic 2)
Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?
Q25. - (Topic 2)
Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?
A. dd if=/dev/zero of=/dev/sda bs=512
B. dd if=/dev/zero of=/dev/sda bs=512 count=1
C. dd if=/dev/zero of=/dev/sda bs=440 count=1
D. dd if=/dev/zero of=/dev/sda bs=440
Q26. - (Topic 3)
Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)
A. esc ZZ
B. ctrl :w!
C. esc zz
D. esc :wq!
E. ctrl XX
Q27. - (Topic 4)
Which of the following file permissions belong to a symbolic link?
Q28. CORRECT TEXT - (Topic 3)
Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)
Q29. CORRECT TEXT - (Topic 2)
Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)
Answer: swapoff, /sbin/swapoff
Q30. - (Topic 4)
Which of the following commands can be used to display the inode number of a given file?
D. cp Answer: B