A user is editing a file in vi and has made several changes. They want to discard all changes and exit, but they are not sure if they are in insert mode or command mode. They press Esc to ensure they are in command mode, then type :q!. However, they receive an error: 'E37: No write since last change (add ! to override)'. What is the most likely reason for this error?

The user typed :q! incorrectly, maybe with a space

The user pressed Esc too many times, causing vi to beep

The user is not actually in command mode

The file has been modified by another process

A user is editing a file in vi and needs to move to the last line of the file to add a new configuration option. They are currently in command mode. What is the most efficient way to move to the last line and append text at the end of that line?

Press gg to go to the first line, then $ and a

Press G to go to the last line, then $ to go to the end of the line, then a

Press L to go to the last line, then a

Press :$ to go to the last line, then a

An admin is editing a configuration file and needs to replace the first occurrence of 'enabled' with 'disabled' on each line that contains the word 'feature'. They want to do this in one command. Which command should they use?

:g/feature/s/enabled/disabled/g

LPI BSD Specialist

Domain 5Objective 5

715.5 Perform Basic File Editing Operations (weight: 2) BSD-SPECIALIST Practice Questions (Page 4)

Part of the Topic 715: Basic Unix Skills domain, which makes up ~20% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 90-minute exam (~35–60 total, ~7–12 in this domain), expect 1–2 from this objective — we provide 32 practice questions to prepare you well beyond it. (estimate)

32questions here

7free pages

6concepts

Questions 16–20

16expert · hard
A user is editing a file in vi and has made several changes. They want to discard all changes and exit, but they are not sure if they are in insert mode or command mode. They press Esc to ensure they are in command mode, then type :q!. However, they receive an error: 'E37: No write since last change (add ! to override)'. What is the most likely reason for this error?
Select an answer first
17expert · hard
An admin is editing a large log file in vi and needs to replace all occurrences of 'ERROR' with 'WARNING' only on lines that contain the word 'critical'. They want to do this in one command. Which command should they use?
Select an answer first
18expert · medium
A user is editing a file in vi and needs to move to the last line of the file to add a new configuration option. They are currently in command mode. What is the most efficient way to move to the last line and append text at the end of that line?
Select an answer first
19expert · medium
A developer is editing a source file in vi and needs to delete the next three words. They are currently in command mode with the cursor at the beginning of the first word. What is the most efficient way to delete three words?
Select an answer first
20expert · hard
An admin is editing a configuration file and needs to replace the first occurrence of 'enabled' with 'disabled' on each line that contains the word 'feature'. They want to do this in one command. Which command should they use?
Select an answer first

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715.5 Perform Basic File Editing Operations (weight: 2) BSD-SPECIALIST Practice Questions (Page 4)

Questions 16–20

An admin is editing a large log file in vi and needs to replace all occurrences of 'ERROR' with 'WARNING' only on lines that contain the word 'critical'. They want to do this in one command. Which command should they use?

A user is editing a file in vi and needs to move to the last line of the file to add a new configuration option. They are currently in command mode. What is the most efficient way to move to the last line and append text at the end of that line?

A developer is editing a source file in vi and needs to delete the next three words. They are currently in command mode with the cursor at the beginning of the first word. What is the most efficient way to delete three words?

An admin is editing a configuration file and needs to replace the first occurrence of 'enabled' with 'disabled' on each line that contains the word 'feature'. They want to do this in one command. Which command should they use?

Keep studying — Topic 715: Basic Unix Skills