diskspace

[Zahid Rahman]

Thank you Gentlemen.
Bye for now.



On Sun, 3 May 2020, 07:50 Ralf Mardorf via ubuntu-users, <
ubuntu-users at lists.ubuntu.com> wrote:

> On Sun, 2020-05-03 at 04:23 +0000, Zahid Rahman wrote:
> > Can you please explain something that has always confused me about
> > free space.
>
> Hi,
>
> you didn't mount a partition, you mounted a compressed read-only file
> system, so the sizes shown are related to the contend of the compressed
> read-only file system. Your expectation is wrong, not the displayed
> size, see https://en.wikipedia.org/wiki/Loop_device and
> https://en.wikipedia.org/wiki/SquashFS .
>
> If you mount a real bootable persistent live install, instead of an
> image, sizes as _you_ expect them are shown.
>
> An USB stick with a persistent NomadBSD install:
>
> $ sudo fdisk -l /dev/sdf
> Disk /dev/sdf: 28.87 GiB, 30972837888 bytes, 60493824 sectors
> Disk model: TransMemory
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: dos
> Disk identifier: 0x90909090
>
> Device     Boot    Start      End  Sectors  Size Id Type
> /dev/sdf1             64    81983    81920   40M ef EFI (FAT-12/16/32)
> /dev/sdf2  *       81984  8286271  8204288  3.9G a5 FreeBSD
> /dev/sdf3        8286272 30320639 22034368 10.5G a5 FreeBSD
> /dev/sdf4       30320640 60493823 30173184 14.4G  5 Extended
> /dev/sdf5       30322688 56512511 26189824 12.5G 83 Linux
> /dev/sdf6       56514560 60493823  3979264  1.9G 82 Linux swap / Solaris
> $ sudo mkdir /mnt/linux && sudo mount /dev/sdf5 /mnt/linux
> $ df -h /mnt/linux/
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/sdf5        13G   32M   12G   1% /mnt/linux
> $ sudo umount /mnt/linux
> $ sudo rmdir /mnt/linux/
>
> At the moment the Linux partition is empty, I'll try to make a dual boot
> NomadBSD and a Linux, but at the moment only NomadBSD is installed.
>
> Regards,
> Ralf
>
>
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