List files modified within the last day
find . -mtime -2 -type f -exec ls -l {} \;
Copy files via SSH between
scp -rp /home/user root@remoteserver.example.org:/home/
Delete folders that haven’t been modified more than 7 days
find . -type d -mtime +7 -exec rm -r {} \;
Create a MySql database dump
mysqldump -h localhost -u root -p databasename > dump.sql
Import MySql database dump
mysql -h localhost -u root -p databasename < dump.sql