38240106
Descrição
Quiz por Carlos Alberto Jara Alva, atualizado more than 1 year ago
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Criado por Carlos Alberto Jara Alva
mais de 1 ano atrás
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Questão 1
Questão
How could one search for the file foo.txt under the directory /home?
Responda
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find /home -name foo.txt
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find /home foo.txt
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search /home -file foo.txt
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search /home foo.txt
Questão 2
Questão
Which function does a shell program server?
Responda
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It receives user commands and executes them
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It is responsible for logging a user into the system
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It is responsible for establishing a connection to another computer
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It provides a graphical environment
Questão 3
Questão
The output of the program date should be saved in the variable actdat. What is the correct statement?
Responda
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Actdat='date'
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Date | acdat
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Set actdat='date'
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Actdat=date
Questão 4
Questão
Which of the following statements may be used to access the second command line argument to a script?
Responda
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"$1"
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"$2"
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'$2'
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$1
Questão 5
Questão
Which command will display running process information in realtime?
Responda
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ps current
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top
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show current
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Process
Questão 6
Questão
Which of the following file systems is most commonly used for Linux distributions?
Responda
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NTFS
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FAT32
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ext4
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HFS+
Questão 7
Questão
Which one of the following statements concerning Linux passwords is true?
Responda
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Passwords are only stored in encrypted form
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Passwords may never start with a non-letter
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All passwords can be decrypted using the system administrator's master password
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Users cannot change their password once it has been set
Questão 8
Questão
Why is the file data.txt empty after executing sort data.txt > data.txt?
Responda
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Because the file gets truncated before the sort is executed
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Because, if data.txt is empty now, it must have been empty before
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Because sort cannot sort text files, only binary files
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Because sort detects that both files are the same
Questão 9
Questão
Where is the BIOS located?
Responda
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RAM
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LCD Monitor
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Hard drive
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Motherboard
Questão 10
Questão
You have a program called /user/bin/foo. You wish to create a symbolic link, /home/user/bin/foo, that points to it. Which command will do this task?
Responda
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ln -s /user/bin/foo /home/user/foo
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ln -sys /home/user/foo /user/bin/foo
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ln /user/bin/foo /home/user/foo
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ln /home/user/foo /user/bin/foo
Questão 11
Questão
What keyword is missing from the following segment of the shell script?
for i in*;----cat $idone
Responda
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Endo
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Do
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Then
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Fi
Questão 12
Questão
What is the command that will show system boot time messages?
Responda
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Display system boot
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Messages
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dmesg
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lspci
Questão 13
Questão
Which of the following is a Linux based operating system for use on mobile devices?
Responda
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CentOS
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Debian
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Android
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Fedora
Questão 14
Questão
Which network interface always exists in a Linux system?
Responda
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lo
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wlan0
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vlan0
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eth0
Questão 15
Questão
Which command shows if /usr/bin is in the current shell search path?
Responda
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cat $PATH
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echo %PATH
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echo $PATH
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echo %PATH%
Questão 16
Questão
What are the three sets of permission for a file?
Responda
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Administrator, standard user, others
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User, group, others
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Administrator, group, others
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User, standard user, others
Questão 17
Questão
Which of the following programs is not a graphical web browser?
Responda
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Chrome
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Konqueror
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Links
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Firefox
Questão 18
Questão
After installing a new package, in which directory are you most likely find its configuration file?
Responda
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/etc
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/conf
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/usr
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/lib
Questão 19
Questão
What are the three sets of permission for a file?
Responda
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Administrator, group, others
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User, group, others
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User, standard user, others
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Administrator, standard user, others
Questão 20
Questão
Which of the following is true about open source software?
Responda
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Open source software is available for commercial use
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Open source software is not for sale
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Open source software can not be copied for free
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The freedom to redistribute copies must include binary or executable forms of the software but not the source code.
Questão 21
Questão
What is the preferred source for the installation of new applications?
Responda
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The distribution's package repository
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A CD-ROM disk
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A retail store
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The vendor's website
Questão 22
Questão
Which of the following is a combined audio/video interface for transmission of digital data?
Responda
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HDMI
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DVD
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VGA
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ATI
Questão 23
Questão
Which of the following commands moves the directory ~/summer-vacation and it content to ~/vacation/2011?
Responda
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mv ~/summer-vacation ~/vacation/2011
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mv -R ~/summer-vacation ~/vacation/2011
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move -R ~/summer-vacation ~/vacation/2011
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mv /home/summer-vacation /home/vacation/2011
Questão 24
Questão
Which command line can be used to search help files that mention the word "copy"?
Responda
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copy help
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whatis copy
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man l-k copy
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copy -help
Questão 25
Questão
Which of the following software packages is an email server?
Responda
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Postfix
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Apache
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MySQL
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GIMP
Questão 26
Questão
Which of the following can be used to access the command line?
Responda
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Terminal
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Firefox
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BIOS
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XWindow
Questão 27
Questão
After installing a new package, in which directory are you most likely find its configuration file?
Responda
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/usr
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/conf
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/etc
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/lib
Questão 28
Questão
Why is the file data.txt empty after executing sort data.txt > data.txt?
Responda
-
Because the file gets truncated before the sort is executed
-
Because sort cannot sort text files, only binary files
-
Because sort detects that both files are the same
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Because, if data.txt is empty now, it must have been empty before
Questão 29
Questão
Which option will cause the echo command NOT to output a trailing newline?
Responda
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-p
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-e
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-n
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-s
Questão 30
Questão
Which of the following statements concerning the General Public License (GPL) is true?
Responda
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If you changed a program you received under the GPL, you must send your changes to the original author for approval
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GPL software may never be sold for money
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The GPL is identical to the BSD license
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The GPL is designed to ensure that the source code of a software remains freely available
Questão 31
Questão
Identify the proper device for the third partition, on the second hard disk, on the first IDE controller on a PC system.
Responda
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/dev/hdb3
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/dev/hd1b3
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/dev/hdc1d2p3
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Dev/hdc1a3
Questão 32
Questão
Which command lists all files in the current directory that starts with a capital letter?
Responda
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ls A-Z*
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ls [A-Z]*
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ls A-Z
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ls -uppercase-files
Questão 33
Questão
How can the normal output of a command be written to a file while discarding the error output?
Responda
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Command> file2>/dev/null
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Command /dev/null
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Command>2>file &1>/dev/null
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Command>2>discard-error>file
Questão 34
Questão
Which of the following Ubuntu releases is considered most stable and fit to use for business purposes?
Responda
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Ubuntu Vanilla
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LTS
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Xubuntu
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Kubuntu
Questão 35
Questão
The following file is found in which system file?
root:x:0:0::/root:/bin/bash
Responda
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/usr/bin/shadow
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/etc/passwd
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/etc/shadow
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/etc/password
Questão 36
Questão
Which is a suitable command to find the next appearance of the word hidden in a man page being viewed from the command line?
Responda
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/hidden
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/? hidden
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CTRL-F hidden
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Find hidden
Questão 37
Questão
While deleting all files beginning with the letter a there was still the file Access.txt left. Assuming that it had the correct ownership, why was it not deleted?
Responda
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Linux file names are case sensitive
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Rm had to be called with the option -R to delete all files
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Files with extensions need a different treatment
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The file Access.txt was hidden
Questão 38
Questão
What is the output of the following command?tail -n 20 test.txt
Responda
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The last 20 lines of test.txt including the black lines
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The last 20 lines of test.txt omitting the black lines
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The last 20 lines of test.txt with line numbers
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The first 20 lines of test.txt
Questão 39
Questão
Which of the following commands will display a list of all files in the current directory, including those that may be hidden?
Responda
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ls -a
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ls --hidden
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ls -h
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ls --a
Questão 40
Questão
Which command will display the last line of the file foo.txt?
Responda
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tail -n 1 foo.txt
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last -n 1 foo.txt
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head -n foo.txt
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tail foo.txt
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