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When I copy an iso image to a disk without filesystem, how is the size metadata stored?
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
2019 Community Moderator Election Results
Why I closed the “Why is Kali so hard” questionHow to rename all files and add image size to file nameFastest way to get list of all file sizesHow does Linux know the Location of File Data on Diskmapping a split file to /dev/loop0Is it possible to create an edited copy of a file without using up extra disk space?Why the size of an empty directory in Linux is 4KB?Copy only file details (file name, size, time) from remote machine in unixHow to copy image files whose names don't end with their resolution size?How to see/determine on disk file size on Linux?How do I store the human-friendly size of a file in a variable?
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I can copy iso or image files to a system disk with cp /dev/sda1 /dev/sdb or cp file.image /dev/sdb.
In this case, is the size of the result stored as metadata on /dev/sdb?
files
edited 15 hours ago
ctrl-alt-delor
12.5k52662
asked 17 hours ago
marinaramarinara
20818
add a comment |
I can copy iso or image files to a system disk with cp /dev/sda1 /dev/sdb or cp file.image /dev/sdb.
In this case, is the size of the result stored as metadata on /dev/sdb?
files
edited 15 hours ago
ctrl-alt-delor
12.5k52662
asked 17 hours ago
marinaramarinara
20818
3
The command examples you give don't do what you think they do, and can actually damage your system. Don't use them.
– John
17 hours ago
1
The meta data is within the ISO.
– ctrl-alt-delor
15 hours ago
add a comment |
I can copy iso or image files to a system disk with cp /dev/sda1 /dev/sdb or cp file.image /dev/sdb.
In this case, is the size of the result stored as metadata on /dev/sdb?
files
edited 15 hours ago
ctrl-alt-delor
12.5k52662
asked 17 hours ago
marinaramarinara
20818
I can copy iso or image files to a system disk with cp /dev/sda1 /dev/sdb or cp file.image /dev/sdb.
In this case, is the size of the result stored as metadata on /dev/sdb?
files
files
edited 15 hours ago
ctrl-alt-delor
12.5k52662
asked 17 hours ago
marinaramarinara
20818
edited 15 hours ago
ctrl-alt-delor
12.5k52662
asked 17 hours ago
marinaramarinara
20818
edited 15 hours ago
ctrl-alt-delor
12.5k52662
edited 15 hours ago
ctrl-alt-delor
12.5k52662
edited 15 hours ago
ctrl-alt-delor
12.5k52662
12.5k52662
asked 17 hours ago
marinaramarinara
20818
asked 17 hours ago
marinaramarinara
20818
asked 17 hours ago
marinaramarinara
20818
20818
3
The command examples you give don't do what you think they do, and can actually damage your system. Don't use them.
– John
17 hours ago
1
The meta data is within the ISO.
– ctrl-alt-delor
15 hours ago
add a comment |
3
The command examples you give don't do what you think they do, and can actually damage your system. Don't use them.
– John
17 hours ago
1
The meta data is within the ISO.
– ctrl-alt-delor
15 hours ago
3
3
The command examples you give don't do what you think they do, and can actually damage your system. Don't use them.
– John
17 hours ago
The command examples you give don't do what you think they do, and can actually damage your system. Don't use them.
– John
17 hours ago
1
1
The meta data is within the ISO.
– ctrl-alt-delor
15 hours ago
The meta data is within the ISO.
– ctrl-alt-delor
15 hours ago
add a comment |
1 Answer
1
active
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The size of a filesystem is stored in the filesystem. (For most filesystems. I guess because it determines the size of structures like FATs or free space bitmaps).
I don't believe there's a generic tool, it's just not that common to need it. But isosize will report the size of an ISO9660 filesystem. I have a feeling this tool is provided because CDROM's or maybe just CD-R's have a habit of returning I/O errors at/beyond the end.
answered 11 hours ago
sourcejedisourcejedi
26k445114
add a comment |
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1 Answer
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active
oldest
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votes
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votes
The size of a filesystem is stored in the filesystem. (For most filesystems. I guess because it determines the size of structures like FATs or free space bitmaps).
I don't believe there's a generic tool, it's just not that common to need it. But isosize will report the size of an ISO9660 filesystem. I have a feeling this tool is provided because CDROM's or maybe just CD-R's have a habit of returning I/O errors at/beyond the end.
answered 11 hours ago
sourcejedisourcejedi
26k445114
add a comment |
The size of a filesystem is stored in the filesystem. (For most filesystems. I guess because it determines the size of structures like FATs or free space bitmaps).
I don't believe there's a generic tool, it's just not that common to need it. But isosize will report the size of an ISO9660 filesystem. I have a feeling this tool is provided because CDROM's or maybe just CD-R's have a habit of returning I/O errors at/beyond the end.
answered 11 hours ago
sourcejedisourcejedi
26k445114
add a comment |
The size of a filesystem is stored in the filesystem. (For most filesystems. I guess because it determines the size of structures like FATs or free space bitmaps).
I don't believe there's a generic tool, it's just not that common to need it. But isosize will report the size of an ISO9660 filesystem. I have a feeling this tool is provided because CDROM's or maybe just CD-R's have a habit of returning I/O errors at/beyond the end.
answered 11 hours ago
sourcejedisourcejedi
26k445114
The size of a filesystem is stored in the filesystem. (For most filesystems. I guess because it determines the size of structures like FATs or free space bitmaps).
I don't believe there's a generic tool, it's just not that common to need it. But isosize will report the size of an ISO9660 filesystem. I have a feeling this tool is provided because CDROM's or maybe just CD-R's have a habit of returning I/O errors at/beyond the end.
answered 11 hours ago
sourcejedisourcejedi
26k445114
answered 11 hours ago
sourcejedisourcejedi
26k445114
answered 11 hours ago
sourcejedisourcejedi
26k445114
answered 11 hours ago
sourcejedisourcejedi
26k445114
26k445114
add a comment |
add a comment |
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-files
3
The command examples you give don't do what you think they do, and can actually damage your system. Don't use them.
– John
17 hours ago
1
The meta data is within the ISO.
– ctrl-alt-delor
15 hours ago