LFCS

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 is the effect of the egrep command when the -v option is used?A . It enables color to highlight matching parts.B . It only outputs non-matching lines.C . It shows the command's version information.D . It changes the output order showing the last matching line first.View AnswerAnswer: B

SIMULATION What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)View AnswerAnswer: menu.lst -or- grub.conf -or- grub.cfg

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=512B . dd if=/dev/zero of=/dev/sda bs=512 count=1C . dd if=/dev/zero of=/dev/sda bs=440 count=1D . dd if=/dev/zero of=/dev/sda bs=440View AnswerAnswer: C

Which shell command is used to continue background execution of a suspended command?A . &B . bgC . contD . execE . :&View AnswerAnswer: B

Which of the following commands lists all currently installed packages when using RPM package management?A . yum --query --allB . yum --list --installedC . rpm --query --allD . rpm --list CinstalledView AnswerAnswer: C

Immediately after deleting 3 lines of text in vi and moving the cursor to a different line, which single character command will insert the deleted content below the current line?A . i (lowercase)B . P (uppercase)C . p (lowercase)D . U (uppercase)E . u (lowercase)View AnswerAnswer: C

In Bash, inserting 1>&2 after a command redirectsA . standard error to standard input.B . standard input to standard error.C . standard output to standard error.D . standard error to standard output.E . standard output to standard input.View AnswerAnswer: C

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: AB

Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?A . sed '/bob/Bob' letter > newletterB . sed s/bob/Bob/ letter < newletterC . sed 's/bob/Bob' letter > newletterD . sed 's/bob/Bob/g' letter > newletterE . sed...