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After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?
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 world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem?
CORRECT TEXT Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)View AnswerAnswer: /tmp, tmp,/var/tmp, /tmp/, /var/tmp/
During a system boot cycle, what is the program that is run after the BIOS completes its tasks?
During a system boot cycle, what is the program that is run after the BIOS completes its tasks?A . The bootloaderB . The inetd programC . The init programD . The kernelView AnswerAnswer: A
What is the name of the main configuration file for GNU GRUB?
CORRECT TEXT What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)View AnswerAnswer: menu.lst, grub.conf, grub.cfg
Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?
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
In the vi editor, which of the following commands will copy the current line into the vi buffer?
In the vi editor, which of the following commands will copy the current line into the vi buffer?A . cB . ccC . 1cD . yyE . 1yView AnswerAnswer: D
Which of the following statements is correct regarding the command foo 1> bar?
Which of the following statements is correct regarding the command foo 1> bar?A . The stdout from the command foo is appended to the file bar.B . The stdout from the command foo overwrites the file bar.C . The command foo receives its stdin from the file bar.D . The...
Which file should you check within the /proc tree to learn which IRQs are being used by which kernel drivers?
CORRECT TEXT You suspect that a new ethernet card might be conflicting with another device. Which file should you check within the /proc tree to learn which IRQs are being used by which kernel drivers?View AnswerAnswer: interrupts, /proc/interrupts
CORRECT TEXT
CORRECT TEXT The dpkg-____ command will ask configuration questions for a specified package, just as if the package were being installed for the first time.View AnswerAnswer: reconfigure
Which of the following commands will write a message to the terminals of all logged in users?
Which of the following commands will write a message to the terminals of all logged in users?A . bcastB . mesgC . printD . wallE . yellView AnswerAnswer: D
