NEW QUESTION NO: 40
Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?
A. chmod 775 /bin/foo
B. chmod 577 /bin/foo
C. chmod u=rwx,go=rx /bin/foo
D. chmod o+rwx,a+rx /bin/foo
Answer: C

NEW QUESTION NO: 41
Which of the following settings for umask ensures that new files have the default permissions -rw-r----- ?
A. 0640
B. 0017
C. 0038
D. 0027
Answer: D

NEW QUESTION NO: 42
Which of the following commands enables the setuid (suid) permission on the executable /bin/foo?
A. chmod 4755 /bin/foo
B. chmod u-s /bin/foo
C. chmod 1755 /bin/foo
D. chmod 755+s /bin/foo
Answer: A

NEW QUESTION NO: 43
Which of the following commands changes the ownership of file.txt to the user dan and the group staff?
A. chown dan/staff file.txt
B. chown dan:staff file.txt
C. chown -u dan -g staff file.txt
D. chown dan -g staff file.txt
Answer: B

NEW QUESTION NO: 44
Which of the following command sets the Bash variable named TEST with the content FOO?
A. TEST = "FOO"
B. var TEST="FOO"
C. set TEST="FOO"
D. TEST="FOO"
Answer: D

NEW QUESTION NO: 45
Which of the following shell commands makes the already defined variable TESTvisible to new child processes? (Choose two.)
A. export -v TEST
B. declare +x TEST
C. export TEST
D. visible TEST
E. declare -x TEST
Answer: C,E

NEW QUESTION NO: 46
Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?
A. paste -f 1,4 /etc/passwd
B. split -c 1,4 /etc/passwd
C. cut -d : -f 1,4 /etc/passwd
D. fmt -f 1,4 /etc/passwd
Answer: C

NEW QUESTION NO: 47
What does the command mount -a do?
A. It ensures that all file systems listed with the option auto in /etc/fstab are mounted.
B. It opens an editor with root privileges and loads /etc/fstab for editing.
C. It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.
D. It shows all mounted file systems that have been automatically mounted.
E. It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.
Answer: A

NEW QUESTION NO: 48
From a Bash shell, which of the following commands directly executes the instruction from the file /usr/ local/bin/runme.sh without starting a subshell? (Please select TWO answers.)
A. source /usr/local/bin/runme.sh
B. /usr/local/bin/runme.sh
C. . /usr/local/bin/runme.sh
D. /bin/bash /usr/local/bin/runme.sh
E. run /usr/local/bin/runme.sh
Answer: A,C

NEW QUESTION NO: 49
Which of the following commands print the current working directory when using a Bash shell? (Choose two.)
A. printwd
B. echo "${PWD}"
C. echo "${pwd}"
D. pwd
E. echo "${WD}"
Answer: B,D

NEW QUESTION NO: 50
Which utility would be used to change how often a filesystem check is performed on an ext2 filesystem without losing any data stored on that filesystem?
A. mod2fs
B. fixe2fs
C. mke2fs
D. fsck
E. tune2fs
Answer: E

NEW QUESTION NO: 51
Where does the BIOS search for a bootloader?
A. On all connected storage media in the defined boot device order.
B. Only on the last added storage media.
C. Only on hard disk drives in the defined boot device order.
D. The BIOS is not responsible to search for a valid bootloader.
E. On all connected storage media regardless of the boot device order.
Answer: A

NEW QUESTION NO: 52
Which of the following describes the correct order in which the components of the system boot process are started?
A. BIOS, bootloader, init system, kernel
B. BIOS, kernel, bootloader, init system
C. Bootloader, BIOS, kernel, init system
D. Bootloader, BIOS, init system, kernel
E. BIOS, bootloader, kernel, init system
Answer: E

NEW QUESTION NO: 53
Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?
A. pmagic
B. type
C. hash
D. magic
E. file
Answer: E

NEW QUESTION NO: 54
Which file should be edited to select the network locations from which Debian installation package files are loaded?
A. /etc/apt/sources.list
B. /etc/apt/apt.conf
C. /etc/apt/apt.conf.d
D. /etc/dpkg/dselect.cfg
E. /etc/dpkg/dpkg.cfg
Answer: A

NEW QUESTION NO: 55
What is the maximum niceness value that a regular user can assign to a process with the nice command when executing a new process?
A. 19
B. 99
C. 49
D. 9
Answer: A

NEW QUESTION NO: 56
Which of the following commands will print important system information such as the kernel version and machine hardware architecture?
A. sysinfo
B. arch
C. lspci
D. info
E. uname
Answer: E

NEW QUESTION NO: 57
What is the purpose of the xargs command?
A. It helps shell scripts take variable argument lists.
B. It passes arguments to an X server.
C. It asks a question, graphically, and returns the answer to the shell.
D. It reads standard input (STDIN) and builds up command lines to execute.
E. It allows users to specify long options for commands that normally only accept short options.
Answer: D

NEW QUESTION NO: 58
What is the output of the following command?
echo "Hello World" | tr -d aieou
A. Hello World
B. eoo
C. Hll Wrld
D. eoo Hll Wrld
Answer: C

NEW QUESTION NO: 59
SIMULATION
Which command creates a swap space on a block device or a file? (Specify ONLY the command without any path or parameters.)
Answer: 
mkswap

NEW QUESTION NO: 60
Which of the following is a limitation of the cut command?
A. The cut command only works on ASCII text.
B. The cut command cannot reorder fields.
C. The cut command can only select output by field position.
D. The cut command cannot use different input and output delimiters.
Answer: B