Want to use flash drive(s) to install Slack. Am presuming will want to install new version on another flash drive before the original one is worn out (circa 1 year).
Is the process to use fdisk to format to ext4 on flash drive then mark it as bootable then install it there? This PC uses UEFI.

Almost any newer usb should work. You'd want to look for one that has good speed. No one can guarantee that a model will work. I had a well rated in windows one that just didn't like ext4 format.

For the most part you consider this usb just as if it were a real internal hard drive. I'd suggest that you remove the internal drive's power before you attempt this.

There are plenty of web pages that tell how some linux distro's can be installed to uefi.

I haven't seen any installer use mark bootable in a long time.

How did you get the other work working? It should be exact same methods.

I've had good luck with unetbootin. I haven't specifically used it with Slackware, but I have used it with several other distros.

Hi,

Look at: Slackware Doc Project
Hope this helps.
Have fun & enjoy!

This is how I'd do it on Slackware-14.1:Warnings:

• isohybrid -u makes the ISO image EFI bootable. Won't work for big ISO images if Slackware version is less than 14.1
• replace sdx in /dev/sdx by the relevant device name read in output of the lsblk command. Be careful not to chose a hard disk, that would wipe it out.
• save all data on your USB stick before proceeding as all will be erased.

Other methods are proposed e.g. on this page. On Windows I recommend using Rufus.

PS Sorry, I think that I misunderstood your question. You want to install Slackware on the USB drive itself, not use it as a bootable media to install Slackware elsewhere, right?

Then, just plug in the USB stick before or just after you boot the installer (Slackware64-14.1 only).

Just follow the instructions. You'll have to make an EFI partition of 100M in addition to the ext4 one on the USB stick. I suggest that you designate the / (and/or EFI?) partition by LABEL or UUID in /etc/elilo.conf and /etc/fstab as the device name can change upon the order in which removable devices are plugged in. Unfortunately I never did that with elilo as I don't have an EFI firmware, just guessing that's similar as doing it with lilo.

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Tried to explain my logic but this GD Windows 8.1 can't keep the cursor stable long enough. So this attempt is short. Which is why my desire to get back to Linux. Thanks to all and to Didier for the update on the extra area for UEFI.

Unetbootin works perfectly fine with Slackware. Just download the desired image first, click the Diskimage button, then select the desired Slackware (or other) image. Use a blank USB, 4Gb or greater for DVD images, and make sure it's mounted before running unetbootin.