You want to write a script that updates the package list, upgrades all packages, and then removes a package named oldapp. Which sequence of commands is correct?

hard📝 Application Q15 of 15

Linux CLI - Package Management

You want to write a script that updates the package list, upgrades all packages, and then removes a package named oldapp. Which sequence of commands is correct?

<pre>apt update
apt upgrade -y
apt remove oldapp -y</pre>

<pre>apt upgrade -y
apt update
apt remove oldapp -y</pre>

<pre>apt remove oldapp -y
apt update
apt upgrade -y</pre>

<pre>apt update
apt remove oldapp -y
apt upgrade -y</pre>

Step-by-Step Solution

Solution:

Step 1: Understand the correct order of package management commands
First, update the package list with apt update to get latest info, then upgrade installed packages with apt upgrade -y, and finally remove unwanted packages.
Step 2: Check each option's order
```
apt update
apt upgrade -y
apt remove oldapp -y
```
follows the correct order: update, upgrade, then remove. Others have wrong sequences that may cause errors or outdated upgrades.
Final Answer:
apt update apt upgrade -y apt remove oldapp -y -> Option A
Quick Check:
Update -> Upgrade -> Remove sequence [OK]

Quick Trick: Always update before upgrade, remove last [OK]

Common Mistakes:

Upgrading before updating package lists
Removing packages before upgrading
Skipping update before upgrade

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You want to write a script that updates the package list, upgrades all packages, and then removes a package named oldapp. Which sequence of commands is correct?

Step 1: Understand the correct order of package management commands

Step 2: Check each option's order

Final Answer:

Quick Check:

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