CNE 251 Exam Questions and Answers
100% Pass
Which shell is the default shell for most Linux distributions?
A) sh
B) csh
C) zsh
D) bash - ✔✔D
You are working at the bash shell in a CLI-only environment on a Linux system. You
have a
program currently running when you discover that you need to access to the shell
prompt to
perform another task. You don't want to halt the first program to do this. What can you
do?
a. Nothing, you must halt the first program to access the shell prompt.
Katelyn Whitman, All Rights Reserved © 2025 1
,b. You can press ALT-F2 to open an alternate console screen and access a new shell
session.
c. You can press CTRL-PAUSE on the keyboard. This will pause the running program
while
you access the shell prompt
d. Press CNTL-SHIFT-F6. This will automatically open a new shell session without
pausing the
running program, - ✔✔B
You've copied down an executable file named runupdate.sh from your company's
server to
the /trnp directory on your Linux system. You change to the /tmp directory at the shell
prompt.
When you enter runupdate.sh, the shell indicates that it can't find the file. What can you
do?
a. Enter the filename in all capital letters,
b. Enter the filename without the .sh extension.
c. Move the file to your home directory and then execute it.
d. Add a ./ before the filename when entering it at the prompt. - ✔✔D
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,You need to find out what directories in the Linux file system are included in the path.
What
command can OU use? (Choose two.)
1. env
2. man path
3. echo SPATH
4. show $PATH
5. writeln PATH
a. 1, 2
b. 1, 3
c. 2, 3
d. 2, 5
e. 4, 5 - ✔✔B
You've copied an executable file named update1.sh from your company's server to
/tmp on
your Linux system. You open a shell and change to the /tmp directory. When you enter
./Updatel.sh, the shell indicates that it can't find the file. What can you do?
Katelyn Whitman, All Rights Reserved © 2025 3
, a. Enter the filename without the .sh extension.
b. Enter the filename in all lowercase letters.
c. Add a .\ before the filename when entering it at the prompt.
d. Move the file to your home directory and then execute it. - ✔✔B
Which Linux utility can be used to display a list of all running processes on your
system?
a. top
b. env
c. procman
d. processes
e. echo $PROCESSES - ✔✔A
Which Linux utility can be used to display your network board configuration?
route
a. netstat
b. ifconfig
c. ipconfig
d. echo $NETWORK_CONFIG - ✔✔B
Katelyn Whitman, All Rights Reserved © 2025 4
100% Pass
Which shell is the default shell for most Linux distributions?
A) sh
B) csh
C) zsh
D) bash - ✔✔D
You are working at the bash shell in a CLI-only environment on a Linux system. You
have a
program currently running when you discover that you need to access to the shell
prompt to
perform another task. You don't want to halt the first program to do this. What can you
do?
a. Nothing, you must halt the first program to access the shell prompt.
Katelyn Whitman, All Rights Reserved © 2025 1
,b. You can press ALT-F2 to open an alternate console screen and access a new shell
session.
c. You can press CTRL-PAUSE on the keyboard. This will pause the running program
while
you access the shell prompt
d. Press CNTL-SHIFT-F6. This will automatically open a new shell session without
pausing the
running program, - ✔✔B
You've copied down an executable file named runupdate.sh from your company's
server to
the /trnp directory on your Linux system. You change to the /tmp directory at the shell
prompt.
When you enter runupdate.sh, the shell indicates that it can't find the file. What can you
do?
a. Enter the filename in all capital letters,
b. Enter the filename without the .sh extension.
c. Move the file to your home directory and then execute it.
d. Add a ./ before the filename when entering it at the prompt. - ✔✔D
Katelyn Whitman, All Rights Reserved © 2025 2
,You need to find out what directories in the Linux file system are included in the path.
What
command can OU use? (Choose two.)
1. env
2. man path
3. echo SPATH
4. show $PATH
5. writeln PATH
a. 1, 2
b. 1, 3
c. 2, 3
d. 2, 5
e. 4, 5 - ✔✔B
You've copied an executable file named update1.sh from your company's server to
/tmp on
your Linux system. You open a shell and change to the /tmp directory. When you enter
./Updatel.sh, the shell indicates that it can't find the file. What can you do?
Katelyn Whitman, All Rights Reserved © 2025 3
, a. Enter the filename without the .sh extension.
b. Enter the filename in all lowercase letters.
c. Add a .\ before the filename when entering it at the prompt.
d. Move the file to your home directory and then execute it. - ✔✔B
Which Linux utility can be used to display a list of all running processes on your
system?
a. top
b. env
c. procman
d. processes
e. echo $PROCESSES - ✔✔A
Which Linux utility can be used to display your network board configuration?
route
a. netstat
b. ifconfig
c. ipconfig
d. echo $NETWORK_CONFIG - ✔✔B
Katelyn Whitman, All Rights Reserved © 2025 4
