Jeff L. answered 12/07/19
Tutor
New to Wyzant
30 years of Unix administration, 25 with various flavors of Linux
Hi, if you have 'fallocate' available in your Unix, it will be much faster. Something like:
# fallocate -l 400GB /tmp/bigfile
Of course make sure the target directory has that much space available.
Cheers,
j