010-150 - Entry Level Linux Essentials Certificate of Achievement
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What does LAMP mean?
The combination of Linux, Apache, MySQL and PHP or other programming languages.
Where is the BIOS located?
Which of the following applications are used to play an MP3 file on a Linux system? (Choose THREE correct answers.)
How can the current directory and its subdirectories be searched for the file named MyFile.xml?
find . -name MyFile.xml
What command would you use to get comprehensive documentation about any command in Linux?
Which of the following commands will output all of the lines that contain either the string Fred or fred? (Choose TWO correct answers.)
grep '[Ff]red' data_file
grep -i fred data_file
What is the number called that is used to identify a process?
What are the three sets of permissions for a file?
user, group, others
How is it possible to determine if an executable file is a shell script which is read by Bash?
The first line starts with #!/bin/bash.
How can the normal output of a command be written to a file while discarding the error output?
command >file 2>/dev/null
Identify the proper device for the third partition, on the second hard disk, on the first IDE controller on a PC system.
Which command will display running process information in real time?
How could one search for the file foo.txt under the directory /home?
find /home -name foo.txt
Which option will cause the echo command NOT to output a trailing newline?
What keyword is missing from the following segment of the shell script? for i in *; _____ cat $i done
Which of the following commands will display a list of all files in the current directory, including those that may be hidden?
Given the following directory permissions: drwxrwxrwt 14 root root 36864 2012-03-02 11:17 /tmp What does the letter t at the end of drwxrwxrwt indicate?
It means that even though the directory is globally writable only the owner can delete their own files.
Which of the following commands will set the variable text to olaf is home? (Select TWO answers)
text=olaf\ is\ home
text="olaf is home"
Which command shows if /usr/bin is in the current shell search path?
Which statements about the directory /etc/skel are correct? (Choose TWO answers)
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.
Which of the following commands will create an archive file, named backup.tar, containing all the files from the directory /home?
tar -cf backup.tar /home
Which of the following filesystems is most commonly used for Linux distributions?
Which of the following commands can be used to view a file and do search operations within it while viewing the contents?
Which of the following directories is often used to store log files?
Which one of the following is true about Open Source software?
Open Source software is available for commercial use.
After installing a new package, in which directory are you most likely find its configuration file?
Which of the following commands can be used to extract content from a tar file?
Which commands will archive /home and its content to /mnt/backup? (Choose TWO correct answers.)
cp -ar /home /mnt/backup
tar -cf /mnt/backup/archive.tar /home
Which of the following can be used to access the command line?
Which permissions should be given to a file that needs to be opened and edited by the file's owner and opened read-only by the file's group?
Which of the following Linux distributions use the dpkg package management system? (Choose TWO correct answers.)
Which of the following is a Linux based operating system for use on mobile devices?
Which criteria are useful when deciding which operating system to use? (Choose THREE correct answers.)
Availability of mandatory applications and tools.
Skills of the administrators and staff.
What is the first character for file or directory names if they should not be displayed by commands such as ls unless specifically requested?
What is the output of the following command? tail -n 20 test.txt
The last 20 lines of test.txt including blank lines.
Which command displays the list of groups to which a user belongs?
Which of the following Ubuntu releases is considered most stable and fit to use for business purposes?
What permissions are set on a file with the command chmod 654 file.txt?
Which of the following statements may be used to access the second command line argument to a script?
Which of the following commands increases the number of elements in a directory? (Choose TWO answers)
Which of the following hardware devices links a number of computers together to form an Ethernet LAN?
Which function does a shell program serve?
It receives user commands and executes them.
The output of the program date should be saved in the variable actdat. What is the correct statement?
Which of the following programs is not a graphical web browser?
Which commands provide help for a specific Linux command? (Choose TWO correct answers.)
Which one of the following statements concerning Linux passwords is true?
Passwords are only stored in encrypted form.
What is the preferred source for the installation of new applications?
The distribution's package repository
A Linux computer has no access to the internet. Which command displays information about the network gateway for the system?
Which network interface always exists in a Linux system?
What is the command that will show system boot time messages?