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Which option within /etc/default/grub is used to configure the default operating system for boot?
Which option within /etc/default/grub is used to configure the default operating system for boot?A . GRUB_ONB . GRUB_DEFAULTC . DEFAULT_OSD . GRUB_OSView AnswerAnswer: B
What command would you type (as root) to change the ownership of somefile.txt from ralph to tony?
What command would you type (as root) to change the ownership of somefile.txt from ralph to tony?A . chown somefile.txt tonyB . chmod somefile.txt tonyC . chown ralph:tony somefile.txtD . chown tony somefile.txtE . chmod tony:ralph somefile.txtView AnswerAnswer: D
Where might the BIOS find a boot loader?
Where might the BIOS find a boot loader?A . MBRB . /dev/bootC . /dev/kmemD . The swap partitionE . RAMView AnswerAnswer: A
What can the type command do that whereis can't?
What can the type command do that whereis can't?A . Identify a command as being a binary or a scriptB . Identify a command as an alias, internal command, or external commandC . Identify the command as being for x86 or x86-64 CPUsD . Assist in typing a command by...
Running kill with the value of 2 will send …
Running kill with the value of 2 will send …A . pizza and beerB . sighupC . sigintD . sigtermView AnswerAnswer: C
Which command and option will output a summary of quota usage across all filesystems that are currently read-write with quotas enabled?
Which command and option will output a summary of quota usage across all filesystems that are currently read-write with quotas enabled?A . quota -uB . repquota -aC . quotarun -aD . repq -aView AnswerAnswer: B
On Linux systems running systemd, the default run level can be found in:
On Linux systems running systemd, the default run level can be found in:A . /lib/systemd/system/default.targetB . /etc/systemd/system/default.targetC . /etc/systemd/system/inittabD . /etc/init/rc-sysinit.confView AnswerAnswer: B
What happens after issuing the command vi without any additional parameters?
What happens after issuing the command vi without any additional parameters?A . vi starts in command mode and opens a new empty file.B . vi starts and requires the user to explicitly either create a new or load an existing file.C . vi starts and opens a new file which...
Which of the following is the GRUB 2 boot loader configuration file?
Which of the following is the GRUB 2 boot loader configuration file?A . /boot/grub/menu.lstB . The MBRC . /boot/grub/grub.confD . /boot/grub/grub.cfgE . /dev/grubView AnswerAnswer: D
Which of the following shell commands makes the already defined variable TEST visible to new child processes? (Choose two.)
Which of the following shell commands makes the already defined variable TEST visible to new child processes? (Choose two.)A . visible TESTB . export Cv TESTC . declare +x TESTD . declare Cx TESTE . export TESTView AnswerAnswer: DE
