Linux in Action

Appendix. A chapter-by-chapter, command-line review

1. Welcome to Linux

• ls -lh /var/log—Lists the contents and full, human-friendly details of the /var/log/ directory.
• cd—Returns you to your home directory.
• cp file1 newdir—Copies a file called file1 to the directory called newdir.
• mv file? /some/other/directory/—Moves all files containing the letters file and one more character to the target location.
• rm -r *—Deletes all files and directories below the current location—use with great care.
• man sudo—Opens the man documentation file on using sudo with commands.

2. Linux virtualization: Building a Linux working environment

• apt install virtualbox—Uses apt to install a software package from a remote repository.
• dpkg -i skypeforlinux-64.deb ...