split

Split Command:

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-d , numeric file name

-a, number of character in the file name.

• 0 at the end is file prefix

split -5100 -d -a6  187557-post1.13134_12.1367607900 0

output:

-rw-r--r-- 1 root root 5.1M Sep  1 07:01 0000003

-rw-r--r-- 1 root root 4.7M Sep  1 07:01 0000002

-rw-r--r-- 1 root root 4.8M Sep  1 07:01 0000001