Linux File Time (atime, ctime, mtime)

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st_atime
           Time when file data was last accessed. Changed by  the
           following   functions:   creat(),   mknod(),   pipe(),
           utime(2), and read(2).

st_mtime
           Time when data was last modified. Changed by the  fol-
           lowing  functions:  creat(), mknod(), pipe(), utime(),
           and write(2).

st_ctime
           Time when file status was last changed. Changed by the
           following   functions:   chmod(),   chown(),  creat(),
           link(2),  mknod(),  pipe(),  unlink(2),  utime(),  and
           write().

指令可使用

stat -c %x filename

stat -c %y filename

stat -c %z filename

或者

ls -lu  filename

ls -l    filename

ls -lc  filename

-lu    show access time and sort by name

-l     show modified time and sort by name

-lc   show ctime and sort by name

%x   Time of last access

%y   Time of last modification

%z   Time of last change