Linux
Typer
Home
Commands
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cat
初級
←
1/5
→
Repeat Mode
Continuous Mode
user@linux
:
~/workspace
$
c
a
t
f
i
l
e
.
t
x
t
Explanation
Displays all contents of
file.txt
on screen.
Options
-n
Display line numbers for all lines
-b
Display line numbers for non-empty lines only
-s
Squeeze consecutive empty lines into one
Directory Structure
File Content
.dockerignore
.gitignore
ages.txt
article.txt
confidential.txt
config.txt
config/.env.example
config/app.conf
config/database.yml
config/nginx.conf
config/old_settings.json
config/secrets.json
config/settings.ini
config/settings.json
data.tsv
data.txt
data/file1.txt
data/file2.txt
data/file3.txt
data/inventory.tsv
data/names.txt
data/numbers.txt
data/orders.txt
data/products.json
data/sales.csv
data/scores.txt
data/sizes.txt
data/users.csv
data/users.json
docs/API.md
docs/CHANGELOG.md
docs/README.md
file.txt
file1.txt
file2.txt
file3.txt
fruits.txt
important.txt
jobs.txt
large_file.txt
log.txt
logs/access.log
logs/app.log
logs/archive/2026-01-10.log
logs/archive/2026-01-11.log
logs/archive/2026-01-12.log
logs/debug.log
logs/error.log
newfile.txt
old_project/index.html
old_project/script.js
old_project/style.css
oldname.txt
project/package.json
project/README.md
project/src/app.js
project/src/index.js
README.md
script.sh
scripts/backup.sh
scripts/cleanup.sh
scripts/deploy.sh
scripts/test.sh
src/app.js
src/components/Footer.tsx
src/components/Header.tsx
src/config.js
src/main.py
src/styles/main.css
src/styles/reset.css
src/utils.py
template.txt
test.txt
test1.txt
test2.txt
tmp/cache.json
tmp/debug.log
tmp/session.log
tmp/temp.txt
1
Hello, World!
2
This is a sample text file for practicing Linux commands.
3
You can use commands like cat, head, tail, and grep on this file.
4
5
Line 5: Learning Linux commands through typing practice.
6
Line 6: WebContainers make it possible to run commands in the browser.
7
Line 7: Practice makes perfect!
8
Line 8: Keep typing to improve your speed and accuracy.
9
Line 9: Linux is widely used in servers and development environments.
10
Line 10: Mastering the command line is a valuable skill.