리눅스 1G 파일 만들기 [ dd 명령어 ]

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