Shell-based backup automation using tar, at, and cron.

• Manual backup execution
• One-time scheduled backup via at
• Recurring scheduled backup via cron
• Basic input validation and error handling

• bck — direct backup of file or directory
• bck1 — scheduled backup using at
• bck2 — cron-oriented recurring backup

bash

chmod +x bck bck1 bck2

./bck user source destination
./bck1 user source destination HH:MM
./bck2

Example cron entry:

bash

0 23 * * 0 /home/username/bck2

Bash · Linux · tar · at · cron · Automation

Panagiotis Zois MSc ICT | Bridging Business & Technology