I want to backup my whole linux server but where do i --exclude=proc --exclude=sys --exclude=dev/pts --exclude=/var/backups . Please help!!!

Here is my code. I may also have some errors in it. Feedback is welcome.....

#!bin/bash

#Purpose = Backup of var directory



TIME=`date +"%b-%d-%y"`  # This Command will add date in Backup File Name.

FILENAME="backup-$TIME.tar.gz"  # Here i define Backup file name format.

SRCDIR="/ "    # Location of Important Data Directory (Source of backup).

DESDIR="/var/backups/fullbackup"    # Destination of backup file.

LOGSYS="/var/log/fullbackup"   #Log files of the backup.



echo "Starting backup of $SRCDIR to $DESDIR on $TIME" >> ${LOGSYS}

tar -cpzf $DESDIR/$FILENAME $SRCDIR

echo "Ending backup of $SRCDIR on $TIME" >> ${LOGSYS}



#END