010-150 Practice Exam Questions with Answers Linux Essentials Certificate Exam, version 1.5 Certification

A group can only have one main user.

There can be only one user group on a system.

Users do not have to belong to a user group.

Every user belongs to a least one user group.

The Linux Advanced Mode Programming Interface which gives advanced capabilities to application developers.

The bus ID of an attached USB device that emits light.

Short for Lightweight Access Management Protocol which synchronizes permissions in a network.

The combination of Linux, Apache, MySQL and PHP or other programming languages.

Short for lamport-clock which is important in distributed network computing.

The personal settings of root are in this directory.

The files from the directory are copied to the home directory of the new user when starting the system.

The files from the directory are copied to the home directory of a new user when the account is created.

The directory contains a default set of configuration files used by the useradd command.

The directory contains the global settings for the Linux system.

ln -sym /home/user/foo /usr/bin/foo

ln -s /usr/bin/foo /home/user/foo

ln /home/user/foo /usr/bin/foo

ln /usr/bin/foo /home/user/foo

ln --symlink /home/user/foo /usr/bin/foo

actdat=`date`

set actdat='date'

date | actdat

date > $actdat

actdat=date

The first 20 lines of test.txt.

The last 20 lines of test.txt omitting the blank lines.

The last 20 lines of test.txt with line numbers.

The last 20 lines of test.txt including blank lines.

Users who modify and distribute the software under the GPL license, must make the modifications they made, available to the recipients under the same license.

The GPL license forbids the removal of copyright and license notices from source code files that are distributed.

The GPL license contains a disclaimer of warranty requiring users not to hold the software authors liable for any damages.

The GPL license requires that any legal disputes be settled with the mediation of the Free Software Foundation.

LTS

Xubuntu

Ubuntu Vanilla

Kubuntu

Xubuntu Server

less

find

grep

report

see

cp -ar /home /mnt/backup

mv /home /mnt/backup

sync -r /home /mnt/backup

tar -cf /mnt/backup/archive.tar /home

copy -r /home /mnt/backup

tar -xvf

tar -vf

tar -e

tar -c

tar –v

Files with extensions need a different treatment.

rm had to be called with the option -R to delete all files.

The file Access.txt was probably opened by another application.

The file Access.txt was hidden.

Linux file names are case sensitive.

\ (backslash)

. (dot)

- (minus)

_ (underscore)

man -k copy

whatis copy

man copy

copy help

copy –help

cat PATH

echo $PATH

echo %PATH

cat $PATH

echo %PATH%

memory

top

ps

free

nice

/lib

/conf

/etc

/usr

/opt

lo

sit0

wlan0

vlan0

eth0