Create an empty file of the specified size in linux
Source: Internet
Author: User
In linux, create an empty file of the specified size-general Linux technology-Linux technology and application information. The following is a detailed description. A test in linux recently requires several hundred megabytes of Empty files. I have seen other people use Perl scripts before. If you are on a windows platform, Perl is a good choice, however, on the Linux/Unix platform, we can also use the dd command.
For example:
If you want to generate a M file:
[Oracle @ rac1 ~] $ Dd if =/dev/zero of = 1.ora bs = 1024 count = 102400
102400 + 0 records in
102400 + 0 records out
[Oracle @ rac1 ~] $ Ls-lh
Total 101 M
-Rw-r -- 1 oracle dba 100 M Aug 8 1.ora
-Rw-r -- 1 oracle dba 69 Jul 27 :04 afiedt. buf
Drwxr-xr-x 3 oracle dba 4.0 K Jul 17 dba
Drwxr-xr-x 2 oracle dba 4.0 K Jun 18 Desktop
-Rwxr-x -- x 1 oracle dba 39 Jun 21 22: 15 hello. py
-Rw-r -- 1 oracle dba 1.1 K Jul 20 rac1.ora
-Rw-r -- 1 oracle dba 729 K Jun 20 upgrade. log
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