LPIC-1 Linux Professional Institute Certification Study Guide, 5th Edition

AppendixAnswers to Review Questions

Chapter 1: Exploring Linux Command-Line Tools

1. D. The /bin/sh file on Linux now typically points to a shell program, such as /bin/bash. Therefore, option D is the correct answer. The other options are all shell programs. Thus, options A, B, C, and E are incorrect choices.
2. C. The uname -r command will display only the current Linux kernel version (revision). Thus, option C is the correct answer. The uname command will display only the current operating system name, Linux, and therefore option A is a wrong answer. The echo $BASH_VERSION command will show the current version of the Bash shell. Thus, option B is also an incorrect answer. The uname -a command will display the current Linux kernel version but ...