creating data of size



hello,

i need to create 100kb,1000kb,10000kb etc files of no particular substance but i need them a exact size.


i think they are .dat's i need but im unsure of the command i issue to create them

any help appreciated

find first 100kb file and then "man dd"

you could use dd to create the 100k file by sourcing /dev/urandom

try this



use mkfile. gets you exacts.

mkfile
usage: mkfile [-nv] <size>[g|k|b|m] <name1> [<name2>] ...

ex:

mkfile 1024m testfile

exact.

hi:
there's a little known device called /dev/zero which can quickly create a file of known size. this command:

dd if=/dev/zero of=myfile bs=1024 count=10

creates file "myfile" filled with zeros with a block size of 1000 muliplied 10 tens or 10k.