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Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?
Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?
Which of the following commands displays the contents of a gzip compressed tar archive?
In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?
Which of the following commands will print the last 10 lines of a text file to the standard output?
What is the output of the following command?
echo "Hello World" | tr -d aieou
Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)
Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)
Which of the following statements is correct regarding the command foo 1> bar?
Which of the following commands will reduce all consecutive spaces down to a single space?
After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?
What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)
Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?
When removing a package, which of the following dpkg options will completely remove the files including configuration files?
What command will generate a list of user names from /etc/passwd along with their login shell?
Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?
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.)
During a system boot cycle, what program is executed after the BIOS completes its tasks?
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?
Which of the following kernel parameters instructs the kernel to suppress most boot messages?
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)
Which command will display messages from the kernel that were output during the normal boot sequence?
Which of the following examples for Bash file globbing matches a file named root-can-do-this.txt when used in the directory holding that file? (Choose three correct answers.)
Which of the following pieces of information of an existing file is changed when a hard link pointing to that file is created?
Which of the following commands is used to update the list of available packages when using dpkg based package management?
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.)
What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)
Which of the following commands can be used to download the RPM package kernel without installing it?
In which directory must definition files be placed to add additional repositories to yum?
Which file should be edited to select the network locations from which Debian installation package files are loaded?
Which of the following commands lists all currently installed packages when using RPM package management?
Which of the following commands updates the linker cache of shared libraries?
Which of the following commands enables the setuid (suid) permission on the executable /bin/foo?
Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?
Which command is used to create and initialize the files used to store quota information? (Specify ONLY the command without any path or parameters.)
Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)
Which of the following commands shows the definition of a given shell command?
Which of the following commands will change the quota for a specific user?
Pressing the Ctrl-C combination on the keyboard while a command is executing in the foreground sends which of the following signal codes?
Which of the following commands will print important system information such as the kernel version and machine hardware architecture?