Access, Modify, Change Time of Linux File
All these 3 time can be viewed by "stat
Access time is influenced by read operation, such as command cat, more, less, head, tail, grep, sed, etc. This time is queried by "find . -atime -1", and can be set by "touch -a" command;
Change time is the time when inode is changed, which influenced by command mv, chmod, chown, etc;
Modification time is the time the content of the file changed, and be listed by "ls -l" command. It‘s influenced by command vi, etc, and can be set by "touch -m" command;
"touch -t" set access and modification time to the specified time;
Creation time is not saved. So it‘s impossible to query files according to creation time;
Ref:
Linux文件的??access time,change time,modify time
http://stackoverflow.com/questions/14842195/how-to-get-file-creation-date-time-in-bash-debian
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