atime, ctime, mtime somewhere along csize.. Post: 64856

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1. UNIX for Dummies Questions & Answers

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...

2. Programming

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...

3. Tips and Tutorials

mtime, ctime, and atime

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. ...

4. Shell Programming and Scripting

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

5. UNIX for Dummies Questions & Answers

(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 -...

6. UNIX for Advanced & Expert Users

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...

7. UNIX for Dummies Questions & Answers

-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...

8. UNIX for Advanced & Expert Users

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!

9. UNIX for Dummies Questions & Answers

Ls -l displays ctime or mtime?

commands ls -l or just l displays ctime (changed time) or mtime (modified time)?

10. Solaris

Zfs - what does atime update?

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 SUNOS

fesetprec

fesetprec(3M)						  Mathematical Library Functions					     fesetprec(3M)

NAME

       fesetprec, fegetprec - control floating point rounding precision modes

SYNOPSIS

       cc [ flag... ] file... -lm [ library... ]
       #include <fenv.h>

       int fesetprec(int prec);

       int fegetprec(void);

DESCRIPTION

       The  IEEE  754  standard  defines rounding precision modes for systems that always deliver intermediate results to destinations in extended
       double precision format. These modes allow such systems to deliver correctly rounded single and double precision results (in the absence of
       underflow and overflow) with only one rounding.

       The  fesetprec() function sets the current rounding precision to the precision specified by prec, which must be one of the following values
       defined in <fenv.h>:

       FE_FLTPREC      round to single precision

       FE_DBLPREC      round to double precision

       FE_LDBLPREC     round to extended double precision

       The default rounding precision when a program starts is FE_LDBLPREC.

       The fegetprec() function returns the current rounding precision.

RETURN VALUES

       The fesetprec() function returns a non-zero value if the requested rounding precision is established and 0 otherwise.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       |Architecture		     |Intel (see below) 	   |
       |Availability		     |SUNWlibms 		   |
       |Interface Stability	     |Stable			   |
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

       These functions are not available on SPARC systems because SPARC processors deliver intermediate results to destinations in single or  dou-
       ble format as determined by each floating point instruction.

SEE ALSO

       fegetenv(3M), fesetround(3M), attributes(5)

       Numerical Computation Guide

SunOS 5.10							    1 Oct 2003							     fesetprec(3M)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

mtime vs ctime

Discussion started by: moxxx68

2. Programming

read() without changing atime ?

Discussion started by: tantric

3. Tips and Tutorials

mtime, ctime, and atime

Discussion started by: Perderabo

4. Shell Programming and Scripting

how to find ot ctime , mtime ,atime

Discussion started by: nilesrex