Linux touch命令详解

 

touch命令有两个功能：

touch常见命令参数

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

-a                     change only the access time -c, --no-create        do not create any files -d, --date=STRING      parse STRING and use it instead of current time -f                     (ignored) -h, --no-dereference   affect each symbolic link instead of any referenced                        file (useful only on systems that can change the                        timestamps of a symlink) -m                     change only the modification time -r, --reference=FILE   use this file's times instead of current time -t STAMP               use [[CC]YY]MMDDhhmm[.ss] instead of current time --time=WORD            change the specified time:                          WORD is access, atime, or use: equivalent to -a                          WORD is modify or mtime: equivalent to -m     --help     display this help and exit     --version  output version information and exit

常用的命令展示

         

touch:创建file1—file10共10个文件

1	touch file{1..10}

设定文件的时间戳

touch -t 201810121230 hh.sh 【-t用十进制数】

更新log.log的时间和log2012.log时间戳相同

1	touch -r hh hh.sh    【touch -r目标文件  源文件】