최신 101-500 무료덤프 - Lpi LPIC-1 Exam 101, Part 1 of 2, version 5.0
Which of the following options must be passed to a filesystem's entry in /etc/fstab in order to mount the file system without root privileges?
정답: D
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What is the difference between the i and a command of the vi editor?
정답: A
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Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)
정답: C,E
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Which command must be entered before exiting vi to save the current file as filea.txt?
정답: B
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Which of the following commands will print the last 10 lines of a text file to the standard output?
정답: D
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Which of the following commands can be used to display the inode number of a given file?
정답: C
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A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?
정답: B
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In a nested directory structure, which find command line option would be used to restrict the command to searching down a particular number of subdirectories?
정답: E
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Which of the following commands instructs SysVinit to reload its configuration file?
정답: E
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Which of the following apt-get subcommands installs the newest versions of all currently installed packages?
정답: B
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Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)
정답:
cmdline
Explanation
The file in the /proc filesystem that lists the parameters passed from the bootloader to the kernel is
/proc/cmdline. This file contains a single line of text that shows the command line arguments that were used to boot the kernel. These arguments can include various options, such as the root device, the init process, the console device, and more. The /proc/cmdline file is read-only and cannot be modified at runtime. The parameters in this file are determined by the bootloader configuration, such as GRUB or LILO, and can be changed by editing the corresponding files12.
References: 1: The /proc Filesystem - The Linux Kernel documentation 2: passing bootloader arguments to the kernel - Unix & Linux Stack Exchange
Explanation
The file in the /proc filesystem that lists the parameters passed from the bootloader to the kernel is
/proc/cmdline. This file contains a single line of text that shows the command line arguments that were used to boot the kernel. These arguments can include various options, such as the root device, the init process, the console device, and more. The /proc/cmdline file is read-only and cannot be modified at runtime. The parameters in this file are determined by the bootloader configuration, such as GRUB or LILO, and can be changed by editing the corresponding files12.
References: 1: The /proc Filesystem - The Linux Kernel documentation 2: passing bootloader arguments to the kernel - Unix & Linux Stack Exchange
Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)
정답:
* update
* upgrade
update/upgrade
Explanation
The yum command is a tool for managing software packages on Red Hat Enterprise Linux and other RPM-based systems. The yum update option will update the entire system by checking the versions of the installed packages and installing the latest available versions from the repositories. The yum upgrade option will do the same, but it will also remove any obsolete packages that are no longer needed by the system. Both options will prompt the user to confirm before proceeding with the update or upgrade process. References:
* Yum Command Cheat Sheet for Red Hat Enterprise Linux
* "yum update" Explained for Beginners!
* How to Install Updates on CentOS 7
* Which option to the yum command will update the entire system?
* upgrade
update/upgrade
Explanation
The yum command is a tool for managing software packages on Red Hat Enterprise Linux and other RPM-based systems. The yum update option will update the entire system by checking the versions of the installed packages and installing the latest available versions from the repositories. The yum upgrade option will do the same, but it will also remove any obsolete packages that are no longer needed by the system. Both options will prompt the user to confirm before proceeding with the update or upgrade process. References:
* Yum Command Cheat Sheet for Red Hat Enterprise Linux
* "yum update" Explained for Beginners!
* How to Install Updates on CentOS 7
* Which option to the yum command will update the entire system?
When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?
정답: D
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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?
정답: C
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Which of the following directories on a 64-bit Linux system typically contain shared libraries? (Choose two.)
정답: A,E
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Which variable defines the directories in which a Bash shell searches for executable commands?
정답: E
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