Which of the following will interpret (hello) as plain text?
Which of the following will interpret (hello) as plain text?A . grep -FB . grep -EC . egrepD . grepView AnswerAnswer: A
What is the effect of the following command?
What is the effect of the following command? $ pr report.txt | lprA . The file report.txt is formatted for printing and sent to the l pr program.B . Tabs are converted to spaces in report.txt, and the result is saved in lpr.C . The files report.txt and lpr are...
Which of the following commands lists the dependencies of a given dpkg package?
Which of the following commands lists the dependencies of a given dpkg package?A . apt-cache depends-on packageB . apt-cache requires packageC . apt-cache depends packageD . apt-cache dependencies packageView AnswerAnswer: C
Which of the following commands writes an image called from the current directory named raspbian.img to the SD card mounted at /dev/sdc?
Which of the following commands writes an image called from the current directory named raspbian.img to the SD card mounted at /dev/sdc?A . dd if=raspbian.img of=/dev/sdc bs=1MB . dd raspbian.img > /dev/sdcC . imgwrite raspbian.img > /dev/sdcD . imgw raspbian.img | cat /dev/sdcView AnswerAnswer: A
Which of the following is true of Linux swap space?
Which of the following is true of Linux swap space?A . Swap is used as additional memory when there is insufficient RAC . Swap is used by the mail server for security.D . Swap is used to hold temporary database tables.E . Swap is used to scrub data from the...
Which of the following shell redirections will write standard output and standard error output to a file named filename?
Which of the following shell redirections will write standard output and standard error output to a file named filename?A . 1>&2>filenamB . 2>&1 >filenameC . >>filenameD . >filename 2>&1E . 1&2>filenameView AnswerAnswer: D
Which command and option are used to display basic information about each available package and its dependencies on a Debian system?
Which command and option are used to display basic information about each available package and its dependencies on a Debian system?A . apt-cache listB . apt-get listC . apt-cache dumpD . apt-get list-allView AnswerAnswer: C
Which of the following commands will provide the usernames in a sorted list gathered from the /etc/passwd file?
Which of the following commands will provide the usernames in a sorted list gathered from the /etc/passwd file?A . cat /etc/passwd | awk '{print $1}' | sortB . sort /etc/passwd | cutC . cat /etc/passwd | awk -F: '{print $1}' | sortD . echo /etc/passwdView AnswerAnswer: C
Which of the following commands will mount a USB device at /dev/sdb1 into the /media/usb directory, assuming a VFAT filesystem for the USB drive?
Which of the following commands will mount a USB device at /dev/sdb1 into the /media/usb directory, assuming a VFAT filesystem for the USB drive?A . mount -t vfat /dev/sdb1 /media/usbB . mount -t usb /dev/sdb1 /mnt/usbC . mount -t vfat /dev/sdb1 /mntD . usbmount /dev/sdb1 /mnt/usbView AnswerAnswer: A
Which of the following are true?
Typing ls -ld wonderjaye reveals a symbolic file mode of drwxr-xr-x. Which of the following are true? (Select two.)A . wonderjaye is a symbolic link.B . wonderjaye has its SUID bit set.C . wonderjaye is an executable program.D . wonderjaye may be read by all users of the system.E ....