LX0-101無料問題集「CompTIA Linux+ [Powered by LPI] Exam 1」

質問 1

Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

（A）myapp | tee file1.log

（B）tee myapp file1.log

（C）cat < myapp | cat > file1.log

（D）myapp | cat > file1.log

（E）myapp 0>&1 | cat > file1.log

正解：A 解答を投票する

質問 2

CORRECT TEXT
What option, when passed to the yum command, will update the entire system? (Specify ONLY the option name with no additional parameters).

正解：

update

質問 3

CORRECT TEXT
The system configuration file named _______ is commonly used to set the default runlevel. (Please provide the fill name with full path information).

正解：

/etc/inittab

質問 4

CORRECT TEXT
_________ /dev/sda3 will create a swap area on the device /dev/sda3.

正解：

/sbin/mkswap,mkswap

質問 5

Which of the following is the difference between the --remove and the --purge action with the dpkg command?

（A）--remove removes a package, --purge also removes all packages dependent on it.

（B）--remove removes only the package file itself, --purge removes all files related to the package.

（C）--remove only removes the program, --purge only removes the config files.

（D）--remove removes the program, --purge also removes the config files.

正解：D 解答を投票する

質問 6

CORRECT TEXT
The /etc/_______ file lists currently mounted devices.

正解：

mtab

質問 7

Which of the following commands will print to standard out only the lines that do not begin with # (pound symbol) in the file foobar?

（A）/bin/grep -v ^# foobar

（B）/bin/grep -v #$ foobar

（C）/bin/grep #$ foobar

（D）/bin/grep ^# foobar

正解：A 解答を投票する

質問 8

Many people like the vi text editor but the default bash command line editor recognizes emacs keystrokes. Which of the following commands, entered into a bash initialization file, will have bash recognize vi keystrokes after login?

（A）unset emacs

（B）alias emacs=vi

（C）HISTCMD=vi

（D）set -o vi

（E）history -p vi

正解：D 解答を投票する

質問 9

CORRECT TEXT
What command is used to display a file in octal format? (Please enter only a single command and do not enter duplicate answers in this field.)

正解：

/usr/bin/hexdump,/usr/bin/od,hexdump,od

質問 10

CORRECT TEXT
An administrator has sent their current vi process with a PID of 1423 to the background on the command line. Assuming no other processes are in the background, what single command with no options or parameters will bring the vi process to the foreground?

正解：

%1,fg fg is a job control command in Unix and Unix-like operating systems that resumes execution of a suspended process by bringing it to the foreground and thus redirecting its standard input and output streams to the user's terminal.

LX0-101 無料問題集「CompTIA Linux+ [Powered by LPI] Exam 1」

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