LPI 010-200: Linux Essentials

Last checked November 10, 2026 against the official LPI exam page.

1. Question 1012 Command Line Basics

   The current working directory is /srv/www/site/assets. Which command changes to the parent directory /srv/www/site?

   1. Acd ..
   2. Bcd /srv
   3. Ccd ~
   4. Dcd ../..
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   Correct answer: A

   The two dots refer to the parent directory, so cd .. moves one level up from assets to site. cd /srv jumps to an unrelated absolute path, cd ~ returns to the home directory, and cd ../.. goes two levels up to /srv/www.

2. Question 2013 Data Processing

   A user wants to create a gzip-compressed tar archive named backup.tar.gz from the directory /home/sam/photos. Which command does this?

   1. Atar -xzf backup.tar.gz /home/sam/photos
   2. Bgzip -d backup.tar.gz /home/sam/photos
   3. Ctar -czf backup.tar.gz /home/sam/photos
   4. Dtar -tzf backup.tar.gz /home/sam/photos
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   Correct answer: C

   -c creates an archive, -z compresses it with gzip and -f names the archive file. The other options extract (-x), decompress with gzip -d, or list (-t) the contents instead of creating an archive.

3. Question 3014 Linux System Administration Basics

   A process has stopped responding and ignores normal termination requests. Which signal, sent with kill, forces the kernel to end it, and the process cannot catch or ignore it?

   1. ASIGTERM (15)
   2. BSIGINT (2)
   3. CSIGHUP (1)
   4. DSIGKILL (9)
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   Correct answer: D

   SIGKILL (9) cannot be caught, blocked or ignored, so the kernel ends the process directly. SIGTERM, SIGHUP and SIGINT can be caught or ignored by a program, which is why they are tried before SIGKILL.

4. Question 4011 The Linux Operating System and Open Source Software

   A developer copies a GPL-licensed library into a commercial product and then distributes the product to customers. What does the GPL require in this situation?

   1. AIt forbids the developer from ever charging money for copies of the product.
   2. BIt requires the library to be removed and replaced with an equivalent proprietary component.
   3. CIt bars the product from being distributed at all, so it may only run in-house.
   4. DIt requires the source code of the modified product to be offered under GPL terms.
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   Correct answer: D

   The GPL is a copyleft license, so a distributed modified work must make its source available under GPL terms. Charging a fee and distributing the program are both allowed under the GPL, and the license does not require replacing the library with proprietary code.

5. Question 5015 Security and File System Permissions

   A configuration file must be readable and writable by its owner, and readable but not writable by its group and by all other users. Which numeric permission mode should be set?

   1. A644
   2. B664
   3. C600
   4. D755
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   Correct answer: A

   Mode 644 gives the owner read and write (6), and the group and others read (4). Mode 600 denies the group and others any access, 664 gives the group write permission, and 755 gives execute permission to everyone.