...

...

Section 01 Getting Started

01.01 Getting Started: What is Linux and Linux Distributions (distro)

...

• Desktop: Windows type Graphical User Interface (GUI)  - mouse point and click.

• Terminal: Program that opens a graphical window and runs a:

  • Shell which is a command interpreter that processes the typed commands.

    • Interface to the OS.

    • Provides a Command-Line Interface (CLI) – text-based input/output.

    • Different Shells share common commands, but syntax and behavior can be different.

...

Section 02 Using the Terminal

• What does a prompt look like?

• General syntax of shell command.

• Commands/options are case sensitive.

• Getting Help:

  • Man pages (man)

  • Options: <command> --help

...

• Steps through the previous commands you’ve typed.

...

Section 03 File System

• What the file system is, and a typical organization / hierarchy.

• Some high-level comparison to that of Windows.

• Absolute vs relative paths.

• Commands: pwd, cd, ls, mv, cp, mkdir, rmdir, rm

• History: history

• File Ownership and Permissions.

...

# Can you cd into the /opt folder?
[arcc-t05@blog1 ~]$ cd /opt
[arcc-t05@blog1 opt]$

# Can you cd into the /root folder?
[arcc-t05@blog1 ~]$ cd /root
-bash: cd: /root: Permission denied

# Justify your answer.
[arcc-t05@blog1 ~]$ ls -l /
...
# “other” has read permissions
drwxr-xr-x.    5 root root    43 Jun 26 11:47 opt
...
# No permission set for other read permissions
dr-xr-x---.   17 root root  4096 Oct  4 12:58 root

...

Section 04 Next Steps, Summary

...

04.01 Next Steps, Suggestions

...