Create a mountable image with the newfs file system [closed]

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I want to create a mountable image with the newfs file system which can be mounted with newfs file system. How can I do that?

I have tried to create an image with the command

dd if=localfiles.tar.gz of=/root/upload/test.img

but I could not creat a newfs file system. How can I do that?

Answer 1

Something along the lines:

$ dd if=/dev/zero bs=8M count=<depends on the size of the fs you need> of=/root/upload/test.img
$ mkfs.newfs /root/upload/test.img
# mount -o loop /root/upload/test.img /mnt
$ cd /mnt
$ tar xzf /path/to/localfiles.tar.gz
$ cd
# umount /mnt