2020. 1. 21. 16:48ㆍ카테고리 없음
Here is the FreeDOS image file. It can be used to create a bootable USB. At the end of this post I describe, in detail, how I created the image file from the FreeDOS ISO. 1 Download Here are the download options. URL Format Size Checksum Extraction tar, gzip 28MB 6 tar jvxf fdos11.tar.bz2 tar, bzip2 32MB 0 tar zvxf fdos11.tar.gz zip 32MB 7 unzip fdos11.zip Once you have downloaded and unzipped it, you need to flash it to your USB. 1.1 Linux On linux use the dd tool as follows. % dd if = fdos11.img of = $USB bs = 1M 1.2 Windows On windows you need to unzip the file and then use a tool like imgburn to flash the USB.
How to make a bootable command prompt usb? If you do have a valid key. Creating a DOS Bootable USB Flash drive to 'Boot DOS from USB', is not very. Using a USB, an ATtiny85, and some soldering skills, you can create your own USB password generator that creates and enters passwords automatically.
I would appreciate any feedback here from windows users. 2 Motivation Why would anyone want to do this?
Well I certainly can’t speak for other folks but I use these USBs when building cloud filers to flash the firmware of SAS/SATA controllers to HBA (I/T) mode so that I can install the ZFS file system without hardware RAID. The flash firmware is always available in DOS format and this distribution is very small so it easily fits on 1GB USB sticks with all of the drivers that I need. For the record, I think that DSL (Damn Small Linux) would be another good alternative. 3 How to Create the Image Of course the previous sections only describe how to use the image. In this section I describe how to create the image from the ISO on linux by following these steps. Download ISO.
Create Local Disk as File. Install ISO to Disk.
Test Image. Flash the USB Each step will be described in detail in subsequent sections. You will need root privileges to flash the image to a USB (step 5). There are a lot of screens displayed during the FreeDOS installation process but don’t worry the process is pretty fast and once the image is created you can reuse the image over and over. This documentation was generated as I went through the process using gimp (the option to select a window came in very handy).
3.1 Download ISO The FreeDOS ISO is available. % dd if = / dev / zero of = fdos11.img bs = 1M count = 1023 3.3 Install ISO to Disk I did this using which is an open source machine emulator and virtualizer.
I tend to use it for all sorts of things like booting from ISO’s and images while my host OS is running. In this case, it is going to act like machine emulator that boots off of the ISO to perform the installation to the local disk file. Later I will use it to test the install by booting off of the disk file.
If qemu is not installed, see this for installation details. The command I used is shown below. It is probably a bit daunting for newbies so each of the fields is described in the subsequent comments. % # +- QEMU 3.3.1 Initial Window Once the command is started the following window will pop up. Select install to hard disk. Note that the hard disk here is the fdos11.img file that you created earlier.
3.3.2 Install to Hard Disk This is the install hard disk screen. Select f to format the disk. 3.3.3 FDISK FAT32 or FAT16 This is the first format hard disk screen. When I tried to build with Y it didn’t work. 3.3.4 FDISK Options – Create DOS Partition This is the main option menu for FDISK. It appears many times during the process.
At this point select option 1 “Create DOS Partition or Logical Drive”. 3.3.5 FDISK Create DOS Partition This screen provides options for creating DOS partitions. For this exercise we will only create a single partition for the entire USB so choose option 1 “Create Primary DOS Partition”. 3.3.6 FDISK Create the Primary DOS Partition This screen asks whether you want to use all of the available disk space. Answer yes (Y). 3.3.7 FDISK Created the Primary DOS Partition This screen displays after the partition is created.
Press the Esc key to continue. 3.3.8 FDISK Options – Active Partition Select option 2 to make sure that the partition is active. Normally it is set to active by default but it never hurts to check. 3.3.9 FDISK Set Active Partition This screen shows that the active partition has been set so you only need to press the Esc key. 3.3.10 FDISK Options – Display partition information We are back at the main options screen. At this point you will want to do a final verification check by selecting option 4 “Display partition information”. 3.3.11 FDISK Display Partition Information The partition information is correct.
There is only one partition. Press the Esc key to continue. 3.3.12 FDISK Options – Done We back at the options menu. We are done with formatting so press the Esc key to continue. 3.3.13 FDISK – System Restart The system is ready to restart. Press the Enter key (or any other key) to proceed. 3.3.14 FreeDOS Installation Screen Now we are back at the installation screen.
Choose option 1 “Install to hardisk” now that the hard disk is formatted. Remember, the hard disk in this case is the fdos11.img file. 3.3.15 Install FreeDOS to the Hard Disk On this screen type the “1” key. It is no obvious because there is no prompt.
3.3.16 Select the Installation Language Select your installation language. I chosee option 1 (US English).
3.3.17 Format Disk This disk was partitioned earlier but it was not formatted. This step does that. Ignore the message about FAT32. It will correctly format the FAT16 partition we created. Select the “Yes” option.
3.3.18 Warning About Losing Data This screen warns about losing data. That is perfectly fine because it doesn’t have any data yet. Type in YES and press the Enter key. 3.3.19 Continue with the FreeDOS Installation At this point the disk is partitioned and formatted so we can continue with the installation. Select the first option. 3.3.20 Start the Installation This screen asks you whether to start the installation. Select the first option.
3.3.21 EULA This is just a message. Press the Enter key or any other key to continue. 3.3.22 Ready to Install This is just a message. Press the Enter key or any other key to continue. 3.3.23 Install From/To This screen presents the from and to directories.
You don’t want to change anything. Press the Enter key to accept the default values and continue. 3.3.24 3.3.23 Install From/To Prompt This screen also presents the from and to directories.
Bootable Dos Usb Key Dell
You don’t want to change anything. Press the Enter key to accept that the directories are correct and continue. 3.3.25 Choose the Modules to Install This screen displays the top level modules that you can install. Don’t change anything. Use the defaults.
Press the Enter key to continue. If you want to choose other modules use your right/left arrow keys to navigate and use the space bar to select/deselect. Later you will be prompted for the individual packages in the modules. 3.3.26 Choose the Packages to Install Prompt Same screen as 3.3.25. Choose the Yes option from the “Proceed with Installation?” dialogue.
3.3.27 Package List for the Kernel The packages for the kernel are displayed. You want all of them. 3.3.28 3.3.29 Installation This is the longest step. Be patient it takes awhile.
You do not have to hit any keys. 3.3.30 Done Installing this Series The initial kernel packages have been installed. Press the Enter key or any other key o continue. 3.3.31 Syslinux Bootloader Collection This is the bootloader. Press the Enter key to continue. 3.3.32 Syslinux Bootloader Collection Proceed Prompt This screen displays this dialogue: “Proceed with Installation?”.
Select “Yes” to continue. 3.3.33 Installation Progress This is the installation progress screen.
Don’t do anything. It will eventually finish and the next screen will popup. 3.3.34 Installation Finished This is the screen that pops up after the installation has completed. Press the Enter key or any other key to continue. 3.3.35 Configuring the Disk This screen shows the progress for configuring the disk. When it finishes, you are prompted to define how the Volume Boot Record is configured.
Choose option 1 (Write FreeDOS specific code to this area so KERNEL.SYS will be loaded). 3.3.36 Boot from System Hard Disk Select the boot from system hard disk option (third option).
3.3.37 Load Without Drivers Now load without drivers (option 4). You don’t need them. 3.3.38 FreeDOS Booted from the Disk Image We have the FreeDOS prompt which indicates that it successfully booted off of the disk image!
3.4 Test Image Although the image worked correctly in the previous section, I also did an alternate test by booting directly from the disk using this command.
Print Dos To Usb
Short Bytes: Willing to own your personal USB key that takes care of your password changing tasks? Using a USB, an ATtiny85, and some soldering skills, you can create a USB password generator that creates and enters passwords automatically. To do this, you need to program ATtiny85 in a way to act like a USB keyboard. A detailed method has been described by a skilled maker Joonas Pihlajamaa on hacker blog Code and Life. There are many applications where one needs to change the passwords on a regular basis.
While such practices aren’t followed by a regular technology user, many enterprises encourage their employees to do so. The same problem was faced by Joonas Pihlajamaa, whose employer required him to change his password on a regular interval. This inspired him to come up with a way that would help him skip remembering a new password altogether. He decided to make a that types a password stored in EEPROM–a type of non-volatile memory–every time it’s connected to a system. After connecting the device, in order to create a new password, one needs to just tap caps lock button a few times–4 times to start password regeneration and once for each password character generated.
Just in case you’re wondering, 10 is the default password length. Pihlajamaa created his version of USB password generator with the help of a USB and an ATtiny85. The ATtiny was programmed to act like a USB keyword that performs the password generation and entering process automatically. The outer enclosure of the device was from an old 512MB flash drive. With the help of some soldering, he managed to connect the Zener diodes, resistors, jumpers, GND, VCC, and ATtiny on a tripad vero-board. Pihlajamaa has also shared the code that one needs to power the device. The code enables the communication to the device and receives status changes from the computer.
On the hacker blog, Pihlajamaa has shared a detailed tutorial including the parts and code that one will need to create his/her personal USB password generator. Here’s a video of the device in action: Did you find this DIY helpful? Don’t forget to drop your feedback in the comments section below.