In article ,
 The Natural Philosopher  writes:
> On 14/05/18 08:50, Richard Kettlewell wrote:
>> The Natural Philosopher  writes:
>>> On 13/05/18 01:07, Henri Derksen wrote:
>>>> can you tell me wich three time stamps there are?,
>>>> and how I can switch of that "atime" one in Raspbian Linux?
>>>> thanks.
>>>>
>>> mtime atime and IIRC ctime
>>>
>>> https://www.unixtutorial.org/2008/04/atime-ctime-mtime-in-unix-filesystems/
>>>
>>> last modfied, last accessed and when created.
>>                                   ^^^^^^^^^^^^^^
>>
>> ctime is not creation time. Read your own link l-)
>>
> LOL.
>
> Well Ive always used to to determine when a file was created as its rare
> to change permissions and that's my excuse..

Create time is called crtime or birth on various filesystems.
POSIX doesn't require a filesystem to store it and there's no
POSIX system call to retrieve it.

ext4 (and some other filesystems) do however store it, and you
can get it via debugfs:

# debugfs -R 'stat /home/andrew/src/mcp3008/a.out' /dev/mmcblk0p2
node: 126467   Type: regular    Mode:  0755   Flags: 0x80000
Generation: 400960989    Version: 0x00000000:00000001
User:   414   Group:   414   Project:     0   Size: 69272
File ACL: 0    Directory ACL: 0
Links: 1   Blockcount: 136
Fragment:  Address: 0    Number: 0    Size: 0
 ctime: 0x5af804d6:46957cc0 -- Sun May 13 10:26:46 2018
 atime: 0x5af804d1:da6a67c4 -- Sun May 13 10:26:41 2018
 mtime: 0x5af804d2:089b61e0 -- Sun May 13 10:26:42 2018
crtime: 0x5af804d1:da6a67c4 -- Sun May 13 10:26:41 2018
Size of extra inode fields: 32
Extended attributes:
  security.capability (20) = 01 00 00 02 00 00 02 00 00 00 00 00 00 00 00 00 00
00 00 00
EXTENTS:
(0-16):589824-589840

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

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