Linux Commands Reference - Complete Linux Command Guide
Comprehensive Linux command reference with 150+ commands. Search, filter by category, and view detailed usage examples.
free
Display memory usage
Syntax
free [OPTION]...Common Options
-hHuman-readable format-bShow in bytes-kShow in kilobytes-mShow in megabytes-gShow in gigabytes-tShow total line-sContinuous refresh (seconds)-cNumber of refreshesCommon Examples
free -hShow memory in human-readable
free -mShow memory in MB
free -h -s 2Refresh every 2 seconds
free -tShow total line
free -gShow in GB
free -h -c 5Refresh 5 times then exit
Related Tools
More Code & Dev Tools
Git Commit Message Generator
Generate standardized Git commit messages following Conventi...
Color Shades & Tints Generator
Generate shades, tints, and tones from any base color. Expor...
Nginx Config Generator
Generate Nginx configuration files visually. Support static ...
Color Extractor
Extract colors from images online. Get dominant colors and c...
Code Analyzer
Analyze code quality online. Check for errors, warnings, and...
Code Formatter
Format and beautify code online. Support multiple languages ...
JavaScript Formatter
Format and beautify JavaScript code online. Improve code rea...
cURL Converter
Convert cURL commands to Python, JavaScript, PHP, Go, and mo...
Cron Expression Generator
Generate and validate Cron expressions online. Convert Cron ...
Timestamp Batch Converter
Convert multiple timestamps at once. Batch process Unix time...
API Tester
Test HTTP APIs online with support for GET, POST, PUT, DELET...
HTTP Header Analyzer
Analyze HTTP response headers. Check security headers, CORS ...