2
votes
0answers
98 views

msys-1.0's dd on windows

msys-1.0 (MinGW) has an implementation of dd usable on windows (dd.exe) but windows does not have file representations of drives to use with dd. Or does it? Afaik dd operates on files. Is there a way ...
6
votes
1answer
230 views

Is it possible to 'instantly' create arbitrary files?

I've seen the following trick to create large, empty files somewhat quickly: dd if=/dev/zero of=test.dat bs=1024 count=1024 However, this still takes some time when creating multi-GB files. I ...
6
votes
1answer
2k views

Compressing a file in place - does “gzip -c file | dd of=file” really work?

In the question How can I compress a file on Linux in-place, without using additional disk space?, one answer proposes to simply use gzip -c file | dd of=file I tried it (on Debian Linux), and it ...