Linux & System Administration Tools

Linux Command Generator

Pick a common Linux task - files, permissions, processes, networking, disk usage, and more - and get the exact command.

Choose a task category and the specific operation - this tool assembles the exact Linux command with the right flags.

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Chown Command Generator Linux Command Cheat Sheet chmod Calculator Cron Expression Builder Environment Variable Formatter Crontab Generator Linux Path Converter systemd Service Generator

For a broader browsable reference instead of a single generated command, see the Linux Command Cheat Sheet.

What Is This Tool For?

Linux has a huge number of commands and flags across file management, permissions, processes, networking, and more. This tool assembles the correct command for common tasks in each category so you don't need to recall exact flag syntax from memory.

How to Use It

Choose a category: files, directories, permissions, processes, services, networking, disk usage, archives, searching, logs, or users.
Choose the specific operation and fill in the relevant fields.
Copy the generated command and run it in your own terminal.

Limitations

This builds the command text only - nothing is ever executed on our servers. Always review a generated command, especially anything involving deletion or permission changes, before running it yourself.

Examples of Common Tasks

Task	Command
Find files over 100 MB	`find / -type f -size +100M 2>/dev/null`
See what uses disk space	`du -sh /var/* \| sort -h`
Free disk space	`df -h`
Which process uses port 80	`sudo ss -ltnp \| grep ':80 '`
Follow a log file	`tail -f /var/log/nginx/error.log`
Search text in files	`grep -rn "APP_KEY" /var/www/app/config`
Create a compressed archive	`tar -czf backup.tar.gz /var/www/site`
Restart a service	`sudo systemctl restart nginx`

Safety Tips

Run a find without -delete first and check the list before deleting.
Double-check paths in rm -rf, especially with variables - an empty variable can turn rm -rf $DIR/ into rm -rf /.
Use sudo only for commands that need it.
Test commands on a staging server before production.

For specific jobs, see the chmod Calculator, rsync and SSH command generators, and the Linux Command Cheat Sheet.