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Which command will disable swapping on a device?
CORRECT TEXT Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: swapoff, /sbin/swapoff
Which of the following files, located in the user home directory, is used to store the Bash history?
Which of the following files, located in the user home directory, is used to store the Bash history?A . .bash_historyB . .bash_histfileC . .historyD . .bashrc_historyE . .history_bashView AnswerAnswer: A
Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)
Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)A . shutdown -R 1 nowB . shutdown -single nowC . init 1D . telinit 1E . runlevel 1View AnswerAnswer: C,D
Which command is used in a Linux environment to create a new directory?
CORRECT TEXT Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: mkdir, /usr/bin/mkdir
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
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/
To what environment variable will you assign or append a value if you need to tell the dynamic linker to look in a build directory for some of a program's shared libraries?
To what environment variable will you assign or append a value if you need to tell the dynamic linker to look in a build directory for some of a program's shared libraries?A . LD_LOAD_PATHB . LD_LIB_PATHC . LD_LIBRARY_PATHD . LD_SHARE_PATHE . LD_RUN_PATHView AnswerAnswer: C
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?A . /etc/keysB . /proc/keysC . /etc/inittabD . /proc/inittabE . /etc/rebootView AnswerAnswer: C
Which command displays a list of all background tasks running in the current shell?
CORRECT TEXT Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: jobs
Which of the following commands updates the linker cache of shared libraries?
Which of the following commands updates the linker cache of shared libraries?A . mkcacheB . soconfigC . mkldconfigD . lddconfigE . ldconfigView AnswerAnswer: E
