Open vi/vim editor and give db2backup.sh
#!/bin/bash
#Set variables for the script
DB_NAME=mydatabase (Database Name)
BACKUP_DIR=/path/to/backup/directory (Backup Location)
LOG_FILE=/path/to/log/file
#Connect to the DB2 database
db2 connect to $DB_NAME
#Perform a full online backup of the database
db2 backup db $DB_NAME online to $BACKUP_DIR > $LOG_FILE
#Disconnect from the database
db2 connect reset
db2 terminate
#Check the backup image for errors
db2ckbkp $BACKUP_DIR
:wq – Save the backup script