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Full Schedule — Introduction to the Command Line

Duration: 4 hours

Base Material: Adapted from Data Science 101 Workbook - Unix Getting Started

Detailed Agenda

1:00 - 1:15 PM — Welcome & Setup

Introduction to the workshop and objectives
Overview of the command line interface (CLI)
Terminal vs. shell vs. command line
Terminal in Mac, Linux, Windows

1:15 - 1:30 PM — Introduction to Open OnDemand and VSCode

Overview of Open OnDemand (web-based HPC portal)
Logging in and navigating the dashboard
Launching interactive sessions
Connecting to VSCode from Open OnDemand
Using VSCode for editing and running shell commands
Man and help functions, file/folder naming conventions
LLMs or Google for help

1:30 - 2:00 PM — Navigating the File System

pwd, ls, cd
Absolute vs relative paths
Hands-on Exercise 1

2:00 - 2:30 PM — Viewing Files and Directories

cat, less, head, tail, wc, wildcard (*)
Hands-on Exercise 2

2:30 - 2:40 PM — Break

2:40 - 3:10 PM — Working with Directories and Files

mkdir, cp, mv, ln -s (folders vs files), rm, recursive operations
Hands-on Exercise 3

3:10 - 3:40 PM — Permissions and Ownership

File permissions and ls -l
chmod ugoa, rwx, +, -, =.
String together multiple with commas -- chmod u=rwx,g=rx,o=r myfile
Hands-on Exercise 4

3:40 - 4:10 PM — Finding Files and Searching Inside Files

find -type -name
grep with options: -i , -n, -c
Hands-on Exercise 5

4:10 - 4:40 PM — Redirects, Pipes, and Command Chaining

Redirect output/input
Piping with |
Command chaining with sequential, and, and or -> ;, &&, ||
sort and redirecting with output redirection operator, append -> >, >>
Hands-on Exercise 6

4:40 - 4:55 PM — Environment and Variables

Environment variables: HOME, PATH
export PATH="$PATH:/work/short_term/remkv6/05_BashIntro/isu-commandline-intro-2025"
Creating and exporting variables
Hands-on Exercise 7

4:55 - 5:00 PM — Recap and Q&A

Review of key commands
Concept map Current Working Directory
Questions from participants
Suggested practice resources

For overview, time feasibility, and resources, see the repository README.md

Schedule Summary Table

Time	Session	Topics/Notes
1:00–1:15 PM	Welcome & Setup	Objectives, CLI overview, terminal access
1:15–1:30 PM	Open OnDemand & VSCode	OOD dashboard, interactive sessions, connect VSCode
1:30–2:00 PM	Navigating the File System	pwd, ls, cd; absolute vs. relative paths; Exercise 1
2:00–2:30 PM	Viewing Files and Directories	cat, less, head, tail, wildcards; Exercise 2
2:30–2:40 PM	Break	—
2:40–3:10 PM	Working with Directories and Files	mkdir, cp, mv, rm; recursive ops; Exercise 3
3:10–3:40 PM	Permissions and Ownership	ls -l, chmod; Exercise 4
3:40–4:10 PM	Finding Files and Searching Inside Files	find, grep with options; Exercise 5
4:10–4:40 PM	Redirects, Pipes, and Command Chaining	redirects, `
4:40–4:55 PM	Environment and Variables	HOME, PATH, creating/exporting variables; Exercise 7
4:55–5:00 PM	Recap and Q&A	Review key commands, questions, resources