Last Updated on February 27, 2020 by Admin
Introduction to Linux I Midterm Exam (Modules 1 – 14) Answer
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Question ID 370
Which command is used in order to view the manual page for a topic?
- help
- doc
- show
- man
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Question ID 371
The basic form of a command line is:
- command [options…] [arguments…]
- command [arguments…] options
- command arguments options
- command [options…] arguments…
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Question ID 376
A command can be:
(choose three)
- A block
- A function
- A program built-in to the shell
- An alias
- A configuration file
- A variable
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Question ID 389
Which of the following man page sections will provide an example of how a command is executed?
- The DESCRIPTION section
- The NAME section
- The FILES section
- The SYNOPSIS section
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Question ID 395
The command man 5 passwd will:
- Display the first five lines of the man page for the passwd command.
- Not work; you can’t give a numeric argument to the man command.
- Print the first five man pages that refer to the term passwd.
- Display the man page of Section 5 for passwd.
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Question ID 402
Which character(s) cannot be placed in variable names?
- Hyphen (“-“) character
- Numeric characters
- Underscore (“_”) character
- Upper-case alpha characters
- Lower-case alpha characters
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Question ID 403
Shell variables are used to:
- Reboot the system
- Prevent users from logging in
- Hide passwords
- Hold critical system information
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Question ID 404
Local variables are:
- Only available to the shell they are created in
- Passed into other shells and commands
- Are not a valid type of variable
- Not used by shells at all
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Question ID 406
Environment variables cannot be declared by which command?
- export
- declare
- set
- typeset
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Question ID 411
The /usr/local/bin directory contains:
- Essential administrative commands
- Nothing; it is not a valid directory
- The most fundamental commands that are essential for the operating system to function
- Commands that have been compiled from local sources
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Question ID 428
The key press combination that will request a running process terminate:
- CTRL+c
- CTRL+d
- CTRL+z
- CTRL+p
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Question ID 435
A popular program for monitoring running processes in real-time is:
- watcher
- mon
- ghost
- top
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Question ID 437
To send a signal to a set of processes with the same name, you can run:
- killall
- sigkill
- allkill
- grpkill
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Question ID 448
Which of the following commands will stop all processes owned by the user bob?
(choose two)
- kill -u bob
- pkill -u bob
- kill -l
- killall -u bob
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Question ID 464
The range defined inside of square brackets is based on the:
- ASCII text table
- Invalid question as ranges are not permitted
- ANSI text table
- Standard text table
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Question ID 467
You can combine glob characters in a single pattern, for example: a??*[0-9].
True or False?
- True
- False
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Question ID 477
The ls command can list the contents of only one directory at a time.
True or False?
- True
- False
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Question ID 479
To perform a “long listing” to show file details, use which of the following commands:
- ls -L
- ls -D
- ll
- ls -l
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Question ID 486
The mv command can be used to move more than one file at a time.
True or False?
- True
- False
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Question ID 489
Which option(s) for the rm command can be used to delete directories that contain files?
(choose two)
- -r
- -R
- -D
- -A
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Question ID 496
Which character at the beginning of a long listing indicates a regular file?
- c
- d
- l
- –
-
Question ID 512
To decompress the archive example.gz, use the following command:
- gunzip -x example.gz
- gunzip example.gz
- gzip -x example.gz
- gzip -u example.gz
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Question ID 522
By default, tar will attempt to extract an archive…
- to the specified directory.
- into the working directory.
- into the user’s home directory.
- into the archive’s parent directory.
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Question ID 525
Which of the following options puts the cpio command into copy-in mode?
- -o
- -u
- -v
- -i
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Question ID 530
The dd command can be used to create large files the can be used as swap files.
True or False?
- True
- False
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Question ID 532
Which of the following is not a valid argument for the dd command?
- if
- count
- in
- bs
- of
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Question ID 537
Which of the following are advantages of using the locate command?
- It can search by file attribute types
- It pages the results
- Its results are always the most up to date
- It is quicker than the find command
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Question ID 546
Many commands that read text files will also read from this stream:
- redirect
- stdin
- pipe
- input
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Question ID 547
If you want to overwrite a file by redirecting the output of a command, you can use:
- &
- }
- >
- |
-
Question ID 548
To redirect the errors that are output by a command, you can use:
- 2@
- 2&
- 2>
- @
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Question ID 550
Which two symbols can effectively redirect stdin to a command?
(choose two)
- <
- >
- |
- !
-
Question ID 552
To send the normal and error output of a command to a single file, you can use:
- 2>
- >
- 1>
- &>
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Question ID 555
The head -n -1 readme.txt command will:
- Display all but the last line of readme.txt
- Number the lines of readme.txt
- Show the first character of every line of readme.txt
- Display the first line of readme.txt
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Question ID 556
Why would you press CTRL+C when executing tail?
- To capture the output into a file
- To stop tail from following a file
- To complete the processing of a file
- To get tail to copy the text it is outputting
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Question ID 557
Which command merges two files like related tables in a database?
- sql
- join
- query
- paste
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Question ID 562
Which command will remove consecutive duplicate lines from a file?
- unique
- uniq
- dup
- dedup
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Question ID 568
The _____ command provides many options for formatting a file for printing.
- pr
- format
- header
-
Question ID 570
Which regular expression character matches zero or more of the previous character?
- .
- +
- *
- ?
-
Question ID 572
Which of the following regular expression characters is an extended regular expression character?
- +
- .
- *
- $
-
Question ID 575
The regular expression a* is equivalent to:
- a{0,1}
- a{1,}
- a{1}
- a{0,}
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Question ID 578
To use regular expression characters to match themselves, you cannot:
- Use the fgrep command
- Put the character in the square brackets
- Use the slash in front of the character
- Use the backslash in front of the character
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Question ID 579
What is NOT a purpose of using parentheses around parts of a regular expression?
- They can be used to change the order that the pattern is evaluating
- They can be used to refer back to what was matched
- They can be used to make alternation more efficient
- They can be used to group characters for repetition
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Question ID 587
To navigate to the end of the line in vi command mode, you can press:
- ^
- *
- $
- #
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Question ID 593
To search forward from your cursor in your vi document in command mode, you can type __ followed by the pattern to search for.
- |
- /
- ?
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Question ID 597
If you are in vi command mode and want to begin inserting text at the end of the line, you can type:
- I
- o
- A
- O
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Question ID 601
If you want to move a character to the right in vi command mode, you can press the right arrow key or:
- j
- k
- h
- l
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Question ID 602
If you want to move up a line in vi command mode, you can press the up arrow key or:
- l
- k
- h
- j
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Question ID 607
Which permission is necessary on a directory in order for a user to use the cd command to change that directory?
- Execute
- None
- Write
- Read
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Question ID 609
The setuid permission on a file:
- Causes the file to run under the user’s identity
- Causes the file to run under the owner’s identity
- Causes the file to never run as root
- Causes the file to always run as root
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Question ID 629
The command, chmod 1777 /data will:
- Make the /data directory a setgid directory
- Make the /data directory a sticky bit directory
- Make the /data directory a setuid directory
- Remove all special permissions
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Question ID 632
The command, chmod 2777 /data will:
- Remove all special permissions
- Make the /data directory a setuid directory
- Make the /data directory a sticky bit directory
- Make the /data directory a setgid directory
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Question ID 754
Which are valid link types in Linux?
(choose two)
- Soft links
- Stable links
- Hard links
- Filesystem links
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Question ID 763
Which is true about hard links?
- They can only be created by the root user
- They share inodes
- They are created with the ln -s command
- They can be made to directories
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Question ID 772
Which value represents the inode number in the following output of the ls -li command: 87589 -rw-r–r–. 2 root root 83 Mar 4 22:45 myhosts
- 87589
- 22:45
- 2
- 83
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Question ID 774
The FHS sets which standard?
- Which services should be installed
- Which partitions should be created
- Which directories should be used to hold specific files
- Which filesystem types should be used
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Question ID 868
The location of users’ default shells is stored in the ______ file.
- /etc/group
- /etc/gshadow
- /etc/passwd
- /etc/shadow
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Question ID 869
Long command options are preceded by which two characters?
- **
- ||
- —
- &&
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Question ID 870
Which two characters do you use to tell the command that you are finished providing options and that the remaining data on the command line is arguments?
- **
- —
- ||
- &&
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Question ID 874
To see a list of commands that are available while viewing a man page, you can type the __ character.
- h
- g
- c
- w
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Question ID 877
System Administration man pages are typically located in section ___.
- 6
- 9
- 8
- 7
-
Question ID 893
What option to the kill command will list the signals for the system?
- -r
- -9
- -l
- -list
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Question ID 894
Which glob character matches “exactly one character”?
- *
- .
- [
- ?
-
Question ID 895
Which glob character matches “zero or more characters”?
- .
- ?
- [
- *
-
Question ID 896
Which two characters match “a single character from a set of specified characters”?
- []
- ??
- ..
- **
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Question ID 904
Which option to the find command will search by user owner?
- -person
- -user
- -owner
- -uowner
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Question ID 974
Which type of link can be made to directories, hard or soft?
- soft
- hard
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Question ID 975
Which type of link is easier to visually “see”, hard or soft?
- hard
- soft
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Question ID 976
Which type of link is indistinguishable by programs from regular files, hard or soft?
- hard
- soft
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Question ID 982
Which directory is used to store temporary files?
- /etc
- /tmp
- /temp
- /
-
Question ID 985
Which directory is used for the home directory of the root user?
- /home/root
- /
- /var
- /root