yadavpooja

dd if=/dev/zero of=/opt/virtualfs bs=1MiB count=10
losetup /dev/loop999 /opt/virtualfs 
mkfs.ext4 -m 1 -v /dev/loop999 
mkdir /mnt/vfs
mount -t ext4 /dev/loop999 /mnt/vfs/
touch /mnt/vfs/hello.txt
umount /mnt/vfs 
losetup -d /dev/loop999 
losetup /dev/loop999 /opt/virtualfs 
mount -t ext4 /dev/loop999 /mnt/vfs/