Lesson 6 Quiz

Question 1

Use this command to change to a directory, pushing the current directory onto the stack.

a) cd
b) popd
c) pushd
d) mkdir

Answer 1

c) pushd

Question 2

You need to redirect BOTH standard output and standard error to myfile.

a) > myfile 2> myfile
b) myfile
c) 2>myfile >myfile
d) > myfile 2>&1

Answer 2

d) > myfile 2>&1

Question 3

This predefined environment variable shows the path searched when executing commands.

a) path
b) Path
c) SEARCH_PATH
d) PATH

Answer 3

d) PATH

Question 4

When you login to a bash shell the following file is read FIRST.

a) ~/.bash_profile
b) /etc/profile.d
c) ~/bash_logout
d) /etc/profile

Answer 4

d) /etc/profile

Question 5

Related to the X Window System, this is the GUI program that often runs on a remote machine, but displays its output on another machine.

a) POSIX
b) $DISPLAY
c) X Client
d) X Server

Answer 5

c) X Client

Question 6

You need to redirect standard error to myfile.

a)&raquo_space; myfile
b) 2> myfile
c) < myfile
d) > myfile

Answer 6

b) 2> myfile

Question 7

Select ALL items that are TRUE releated to POSIX.

a) POSIX is a CompTIA certification exam.
b) POSIX = Portable Opreating System Interface
c) bash is not compliant with POSIX nor is it headed in the direction to be compliant with POSIX.
d) POSIX is an IEEE Standard (POSIX 1002.3)

Answer 7

b) POSIX = Portable Opreating System Interface

d) POSIX is an IEEE Standard (POSIX 1002.3)

Question 8

Releated to /bin/bash, what does bash mean?

a) bash = BAsic SHell
b) bash = Basic Advanced SHell
c) bash = Basic All-purpose SHell
d) bash = Bourne Again SHell

Answer 8

d) bash = Bourne Again SHell

Question 9

You are looking at a text file that begins with the first line as follows:
#!/bin/bash
What does this ttell you about the remaining lines in the file?
a) The file is a BASH (Bourne Again Shell) script
b) This is a normal text file.
c) The file is a Perl Script.
d) The file is a Python Script.

Answer 9

a) The file is a BASH (Bourne Again Shell) script

Question 10

The user located at /home/student wants to edit a file so that everytime they login they can set user-specific environment variables, etc. PATH=$PATH:$HOME/bin. What file should they edit?

a) /etc/.bash_profile
b) ~/.bash_profile
c) /etc/profile.d
d) /etc/profile

Answer 10

b) ~/.bash_profile

Question 11

Select ALL items that are TRUE related to X Window System.

a) The X Window System was created at MIT in 1984
b) Microsoft Windows is built upon the X Window System.
c) The X Window sytem includes a network protocol
d) Nearly every GNU/Linux distribution includes the X Window System.

Answer 11

a) The X Window System was created at MIT in 1984
c) The X Window sytem includes a network protocol
d) Nearly every GNU/Linux distribution includes the X Window System.

Question 12

Related to Linux shells, select ALL items below that are TRUE.

a) Linux systems offer many shell options, including bash, dash (Debian Shell), ksh (Korne Shell) and csh (C-shell)
b) On Fedora/RHEL, the /bin/sh is a symbolic link to /bin/bash.
c) Linux systems provide the single /bin/bash shell.
d) The /bin/bash shell is the most commonly used shell on Linux.

Answer 12

a) Linux systems offer many shell options, including bash, dash (Debian Shell), ksh (Korne Shell) and csh (C-shell)
b) On Fedora/RHEL, the /bin/sh is a symbolic link to /bin/bash.
d) The /bin/bash shell is the most commonly used shell on Linux.

Question 13

You need to redirect standard input from myfile.

a)&raquo_space; myfile
b) > myfile
c) < myfile
d) 2> myfile

Answer 13

c) < myfile
(remember input points left, output points right
, error use 2>)

Question 14

Use this enviroment variable to set your secondary shell prompt.

a) PROMPT
b) SECONDARY
c) PS2
d) PS1

Answer 14

c) PS2

Question 15

Related to the X Window System, this manages the graphics display, keyboard, and mouse.

a) X Server
b) POSIX
c) $DISPLAY
d) X Client

Answer 15

a) X Server

Question 16

You need to append standard output to myfile.

a)&raquo_space; myfile
b) 2> myfile
c) > myfile
d) < myfile

Answer 16

a) &raquo_space; myfile

Question 17

Enter the name of the command you can use to display your command-line history.

Answer 17

history

Question 18

Use this environment variable to set your primary shell prompt.

a) PROMPT
b) PRIMARY
c) PS1
d) PS2

Answer 18

c) PS1

Question 19

You need to redirect standard output to myfile.

a)&raquo_space; myfile
b) < myfile
c) > myfile
d) 2> myfile

Answer 19

c) > myfile

(remember input points left, output points right
, error use 2>, append&raquo_space;)

Question 20

Use this key to put a foreground job into the background.

a) Ctrl+\
b) Ctrl+c
c) Ctrl+z
d) Ctrl+d

Answer 20

c) Ctrl+z