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Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and without any trailing spaces, is reached?
Topic 3, GNU and Unix Commands Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and without any trailing spaces, is reached?A . <<B . <|C . !<D...
Which of the following could cause this?
You are trying to make a hard link to an ordinary file but ln returns an error. Which of the following could cause this?A . The source file is hidden.B . The source file is read-only.C . The source file is a shell script.D . You do not own the...
Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time?
CORRECT TEXT Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: dpkg-reconfigure
In which directory must definition files be placed to add additional repositories to yum?
CORRECT TEXT In which directory must definition files be placed to add additional repositories to yum?View AnswerAnswer: /etc/yum.repos.d, /etc/yum.repos.d/, yum.repos.d, yum.repos.d/
Typically, which top level system directory is used for files and data that change regularly while the system is running and are to be kept between reboots?
CORRECT TEXT Typically, which top level system directory is used for files and data that change regularly while the system is running and are to be kept between reboots? (Specify only the top level directory)View AnswerAnswer: /var, /var/, var, var/
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
What is the difference between the --remove and the --purge action with the dpkg command?
What is the difference between the --remove and the --purge action with the dpkg command?A . --remove removes the program, --purge also removes the config filesB . --remove only removes the program, --purge only removes the config filesC . --remove removes a package, --purge also removes all packages dependent on...
Which of the following apt-get commands will install the newest versions of all currently installed packages without removing any packages or installing new packages that are not already installed?
Which of the following apt-get commands will install the newest versions of all currently installed packages without removing any packages or installing new packages that are not already installed?A . auto-updateB . upgradeC . dist-upgradeD . installE . updateView AnswerAnswer: C
a running Bash?
Which of the following commands is used to change options and positional parameters for a running Bash?A . historyB . setC . bashconfD . setshE . envsetupView AnswerAnswer: B
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-onpackageB . apt-cache dependencies packageC . apt-cache depends packageD . apt-cache requires packageView AnswerAnswer: C
