linuxexpert-practice-labs/labs/rhcsa/1-5-files-directories-and-links

RHCSA 1.5: Files, directories and links

Creating a directory tree in one command, copying with everything kept, hard and symbolic links, and editing a file with vi.

Before you start

The lab saves /etc/motd and puts it back on reset. It removes /root/skel-backup, /root/hosts-hard and /root/hosts-soft if they exist.

Tasks

1. Create the directories /data/web/html and /data/web/logs in one command.
2. Copy /etc/skel to /root/skel-backup, keeping permissions, ownership and timestamps, including the hidden files.
3. Create a hard link /root/hosts-hard to /etc/hosts and a symbolic link /root/hosts-soft to it.
4. Using vi, add the line Authorized users only at the end of /etc/motd, then quit.

Hints

• mkdir -p and brace expansion: {html,logs}.
• cp -a; ls -la shows the dot files and dates.
• ln, ln -s; ls -li shows inode numbers.
• G goes to the last line, o opens a line below it, Esc, then :wq.