Multiplicative postfixes acceptable by some commands, ex. dd:
| Postfix | Name | Power value | Numeric value |
|---|---|---|---|
| KB | kilo | 10^3 | 1000 |
| K KiB | kilo | 2^10 | 1024 |
| MB | mega | 10^6 | 1 000 000 |
| M MiB | mega | 2^20 | 1 048 576 |
| GB | giga | 10^9 | 1 000 000 000 |
| G GiB | giga | 2^30 | 1 073 741 824 |
| TB | tera | 10^12 | |
| T TiB | tera | 2^40 | |
| PB | peta | 10^15 | |
| P PiB | peta | 2^50 | |
| EB | eksa | 10^18 | |
| E EiB | eksa | 2^60 | |
| ZB | zetta | 10^21 | |
| Z ZiB | zetta | 2^70 | |
| YB | jotta | 10^24 | |
| Y YiB | jotta | 2^80 |
Use cases:
dd if=/dev/urandom of=plik.dat bs=1K count=1
dd if=/dev/urandom of=plik.dat bs=1KB count=1
dd if=/dev/urandom of=plik.dat bs=1KiB count=1