Use the touch command to change atime, Mtime

Use the touch command alone to update the file's Atime, CTime, mtime for the moment

[Email protected] ~]# Stat profile
File: "Profile"
size:1796 blocks:8 IO block:4096 Normal file
device:803h/2051d inode:528818 links:1
Access: (0644/-rw-r--r--) Uid: (0/root) Gid: (0/root)
access:2015-04-12 5:44:56.145265376 +0800
modify:2015-04-12 5:44:56.145265376 +0800
change:2015-04-12 5:44:56.145265376 +0800

[[Email protected] ~]# Date
January 19, 2016 Tuesday 20:26:30 CST

[[email protected] ~]# Touch profile
[Email protected] ~]# Stat profile
File: "Profile"
size:1796 blocks:8 IO block:4096 Normal file
device:803h/2051d inode:528818 links:1
Access: (0644/-rw-r--r--) Uid: (0/root) Gid: (0/root)
access:2016-01-19 20:26:38.938555693 +0800
modify:2016-01-19 20:26:38.938555693 +0800
change:2016-01-19 20:26:38.938555693 +0800

Use the command "touch-a-t [YY]MMDDHHMM[.SS] filename" To change the file's Atime

[Email protected] ~]# touch-a-T 06062222 profile
[Email protected] ~]# Stat profile
File: "Profile"
size:1796 blocks:8 IO block:4096 Normal file
device:803h/2051d inode:528818 links:1
Access: (0644/-rw-r--r--) Uid: (0/root) Gid: (0/root)
access:2016-06-06 22:22:00.000000000 +0800
modify:2016-01-19 20:26:38.938555693 +0800
change:2016-01-19 20:30:57.160299376 +0800

Use the command "touch-m-t [YY]MMDDHHMM[.SS] filename" To change the file's Mtime

[[email protected] ~]# touch-m-T 2302030933.33 profile
[[email protected] ~]# stat-profile
  F Ile: "Profile"
  size:1796          Blocks:8           IO block:4096   Normal file
device:803h/2051d    inode: 528818      links:1
Access: (0644/-rw-r--r--)   Uid: (    0/     root)    Gid: (    0/    root)
access:2016-06-06 22:22:00.000000000 +0800
modify:2023-02-03 09:33:33.000000000 +0800
change:2016-01-19 20:34:38.521678423 + 0800

using the command "touch-c-t [YY]MMDDHHMM[.SS] filename", you can change the atime and mtime of a file
[[email protected] ~]# touch-c-T 1111111111.11 profile
[[email protected] ~]# stat-profile
  File: "Profile"
  size:1796          Blocks:8           IO block:4096   Normal file
device:803h/2051d     inode:528818      links:1
Access: (0644/-rw-r--r--)   Uid: (    0/     root)    Gid: (    0/    root)
Access:2011-11-11 11:11:11.000000000 +0800
modify:2011-11-11 11:11:11.000000000 +0800
change:2016-01-19 20:35:59.579968164 + 0800

Touch Command cannot modify CTime for a specified time

This article from "Good Freshman only gourd" blog, please be sure to keep this source http://zhuxingye.blog.51cto.com/11121336/1736606

Use the touch command to change atime, Mtime