atime, ctime, mtime somewhere along csize.. Post: 64605

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mtime vs ctime

:D i have a slight problem and would appreciate if someone could clarify the confusion.. i use find alot and so far i have done ok.. but it just struck me a couple of days ago that I am not quite sure what the difference between the modification time and the change time as in ctime and mtime and...

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read() without changing atime ?

Hey, First of all I want to know How do I see the atime of a file ?? Whats the command ?? I think ls -l shows the last modified time right ? Because when I use cat to read a file, the timestamp shown by ls -l does not change. Its not ls -lu ! man ls did not help ! How do I see the last...

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Unix keeps 3 timestamps for each file: mtime, ctime, and atime. Most people seem to understand atime (access time), it is when the file was last read. There does seem to be some confusion between mtime and ctime though. ctime is the inode change time while mtime is the file modification time. ...

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how to find ot ctime , mtime ,atime

Can any one tell me how to find out ctime , mtime ,atime for a file/directory on unix. Cheers, Nilesh

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(find) mtime vs. (unix) mtime

Hi I've made some test with perl script to learn more about mtime... So, my question is : Why the mtime from findfind /usr/local/sbin -ctime -1 -mtime -1 $ -name "*.log" -o -name "*.gz" $ -print are not the same as mtime from unix/linux in ls -ltr or in stat() function in perl : stat -...

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mtime VS atime VS ctime

hi, in trying to maintain your directories, one needs to do some housekeeping like removing old files. the tool "find" comes in handy. but how would you decide which option to use when it comes to, say, deleting files that are older than 5 days? mtime - last modified atime - last accessed...

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-atime not working as expected

I need to sort through a volume that contains video files by access time and delete files that have not been accessed over x days. I have to use the access time as video files are originals that do not get modified, just read Testing commands on a local test folder... $ date Wed Sep 28...

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Why updating atime doesn't update ctime?

Hi, ctime is the inode change time. If reading a file, its atime will be updated, which should cause inode member i_atime changed, which is an inode change. So ctime should also be updated. But if I try to ls a directory on redhat, only the directory atime gets updated, not ctime. Why? THANKS!

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Ls -l displays ctime or mtime?

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It is widely documented that on zfs atime updates the access time on zfs. Where is the access time updated on Solaris 11.2? If I create file atimetest.txt under rpool/export/home: # zfs list rpool/export/home NAME USED AVAIL REFER MOUNTPOINT rpool/export/home 13.3G ...

LEARN ABOUT OSX

lutimes

LUTIMES(3)						   BSD Library Functions Manual 						LUTIMES(3)

NAME

     lutimes -- set file access and modification times of symlink

SYNOPSIS

     #include <sys/time.h>

     int
     lutimes(const char *path, struct timeval times[2]);

DESCRIPTION

     The access and modification times of the file named by path are changed as specified by the argument times, even if path specifies a symbolic
     link (for utimes(2) the times of the file referenced by the symbolic link are changed).

     If times is NULL, the access and modification times are set to the current time.  The caller must be the owner of the file, have permission
     to write the file, or be the super-user.

     If times is non-NULL, it is assumed to point to an array of two timeval structures.  The access time is set to the value of the first ele-
     ment, and the modification time is set to the value of the second element.  The caller must be the owner of the file or be the super-user.

     In either case, the inode-change-time of the file is set to the current time.

NOTE

     Instead of being a system call, lutimes() is emulated using setattrlist(2).  Not all file systems support setattrlist(2).

RETURN VALUES

     Upon successful completion, a value of 0 is returned.  Otherwise, -1 is returned and the global variable errno is set to indicate the error.

ERRORS

     The lutimes() call may return the same errors as utimes(2) and setattrlist(2).

SEE ALSO

     utimes(2), setattrlist(2)

BSD
								   Aug 13, 2006 							       BSD

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