The case is that I use dd command to build a bootable usb for xxOS. /dev/disk2 is usb device. command is It spends a lot of time, the transfer rate is about 2MB/s~4MB/s. It makes me puzzle, why it’s more slowly than copying files to an USB about 10MB/s or more up. May I use the right parameter? Answer Don’t
Tag: dd
How to know when dd has finished
I have a issue with the dd comand. I use it in a while like this: And it works like charm, the only problem is that once the file is read completely, it doesnt stop the while, it stays there stalled. How could I make the while to stop once the dd read all the file? BTW: Note my machine
Linux dd create multiple iso files
I want to create an iso from an external hard drive. I used this command: sudo dd if=/dev/sdb of=usb-image.iso It works, however, the disk is large (700 GB), and i dont have space on my laptop to store that much. I was thinking about creating multiple iso files (each file 5 GB for example), this way, I can manage them
How to wait for the dd command to finish copying before continuing my script?
Title pretty much nailed it, Im copying files to a flash drive and then doing some things to those files. Well I have noticed that after running the dd command the flash drive is still flashing and not all the files are on the device. Does anyone know how to maybe run a simple loop (in script) to wait on
Copy n bytes of data x to file
How we can copy for example 10 bytes of ‘7’ to a file? How can I generate those 10 bytes of 7? For example for n bytes of zero I’m doing dd if=/dev/zero of=myFile bs=1 count=10. Answer You can send the zeros to stdout and translate them to 7, or what ever you like.