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Which variable defines the directories in which a Bash shell searches for executable commands?A . BASHEXECB . BASHRCC . PATHD . EXECPATHE . PATHRCView AnswerAnswer: C

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?A . file /tmp/myfile.txtB . echo "Hello" >/tmp/myfile.txtC . sed -ie "s/1/2/" /tmp/myfile.txtD . echo -n "Hello" >>/tmp/myfile.txtE . touch /tmp/myfile.txtView AnswerAnswer: A

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?A . /lib/init.soB . /sbin/initC . /etc/rc.d/rcinitD . /proc/sys/kernel/initE . /boot/initView AnswerAnswer: B

Which of the following commands lists the dependencies of a given dpkg package?A . apt-cache depends-on packageB . apt-cache dependencies packageC . apt-cache depends packageD . apt-cache requires packageView AnswerAnswer: C

Topic 3, GNU and Unix Commands Which of the following commands can be used to create a USB storage media from a disk image?A . gdiskB . ddC . ccD . fdiskE . mountView AnswerAnswer: B

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.shB . ./usr/local/bin/runme.shC . /bin/bash /usr/local/bin/runme.shD . /usr/local/bin/runme.shE . run /usr/local/bin/runme.shView AnswerAnswer: A,B

What is the default action of the split command on an input file?A . It will break the file into new files of 1,024 byte pieces each.B . It will break the file into new files of 1,000 line pieces each.C . It will break the file into new files...

What does the command mount -a do?A . It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.B . It shows all mounted file systems that have been automatically mounted.C . It opens an editor with root privileges and loads /etc/fstab for editing.D . It...

Topic 2, Linux Installation and Package Management After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?A . kill -HUP $(pidof grub)B . grub-installC . grubD . No action is requiredView AnswerAnswer: D

Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)A . find /tmp -uid root -printB . find -path /tmp -uid rootC . find /tmp -user root -printD . find /tmp...