vim basics (insert, command, save, quit) in Linux CLI - Step-by-Step Execution

Concept Flow - vim basics (insert, command, save, quit)

Open vim

↓

Normal mode

↓

Press i

→Insert mode

↓

Type text

↓

Press ESC

→Back to Normal mode

↓

Type :w to save

↓

Type :q to quit

↓

Exit vim

This flow shows how to open vim, switch between normal and insert modes, save changes, and quit.

Execution Sample

Linux CLI

vim example.txt
i
Hello, Vim!
<Esc>
:w
:q

Open vim, enter insert mode, type text, exit insert mode, save file, then quit vim.

Execution Table

Step	Action	Mode	Effect	Output/Result
1	Open vim with 'vim example.txt'	Normal	vim opens in normal mode	Screen shows empty buffer or file content
2	Press 'i'	Insert	Switch to insert mode	Cursor allows typing text
3	Type 'Hello, Vim!'	Insert	Text inserted into buffer	Buffer now contains 'Hello, Vim!'
4	Press <Esc>	Normal	Return to normal mode	Cursor stops inserting text
5	Type ':w' and press Enter	Normal	Save file	File 'example.txt' saved
6	Type ':q' and press Enter	Normal	Quit vim	vim closes, back to shell

💡 vim closes after ':q' command

Variable Tracker

Variable	Start	After Step 3	After Step 5	Final
Mode	Normal	Insert	Normal	Exited
Buffer Content	""	"Hello, Vim!"	"Hello, Vim!"	"Hello, Vim!" saved to file

Key Moments - 3 Insights

Why can't I type text immediately after opening vim?

vim starts in normal mode (see Step 1). You must press 'i' to enter insert mode before typing text (Step 2).

What does pressing <Esc> do?

Pressing <Esc> switches vim from insert mode back to normal mode (Step 4), stopping text insertion.

How do I save changes without quitting vim?

Use ':w' command in normal mode (Step 5) to save without exiting.

Visual Quiz - 3 Questions

Look at the execution table, what mode is vim in after Step 2?

A Normal mode

B Visual mode

C Insert mode

D Command mode

💡 Hint

Check the 'Mode' column at Step 2 in the execution table.

At which step is the file saved?

A Step 4

B Step 5

C Step 3

D Step 6

💡 Hint

Look for the ':w' command in the Action column.

If you forget to press <Esc> before ':w', what happens?

A vim inserts ':w' as text

B vim quits without saving

C vim saves the file anyway

D vim shows an error

💡 Hint

Recall that commands like ':w' only work in normal mode (see Step 4 and 5).

Concept Snapshot

vim basics:
- Open file: vim filename
- Insert mode: press 'i' to type
- Normal mode: press <Esc> to stop typing
- Save file: type ':w' in normal mode
- Quit vim: type ':q' in normal mode
Remember: Insert mode for typing, Normal mode for commands.

Full Transcript

This lesson shows how to use vim basics. First, open vim with a file name. vim starts in normal mode where you cannot type text directly. Press 'i' to enter insert mode and type your text. When done, press the Escape key to return to normal mode. To save your changes, type ':w' and press Enter. To quit vim, type ':q' and press Enter. If you forget to press Escape before commands, vim will treat them as text. This flow helps you edit files safely and efficiently.