To create 1MB file (1024kb), enter:$ dd if=/dev/zero of=test.img bs=1024 count=0 seek=1024
You will get an empty files (also known as "sparse file") of arbitrary size using above syntax. To create 10MB file , enter:$ dd if=/dev/zero of=test.img bs=1024 count=0 seek=$[1024*10]
To create 100MB file , enter:$ dd if=/dev/zero of=test.img bs=1024 count=0 seek=$[1024*100]
$ ls -lh test.img
To create 1GB, file:$ dd if=/dev/zero of=1g.img bs=1 count=0 seek=1G
dd if=/dev/zero of=test.img bs=1 count=0 seek=2G
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