Is Unetbootin capable of making any iso file bootable

 
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Special Forums Hardware Boot Loaders Is Unetbootin capable of making any iso file bootable
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Old 05-17-2013
Is Unetbootin capable of making any iso file bootable

1)It is a great experience to achieve what I got today. I had downloaded GParted iso file (135 MB size). Now to make a bootable usb of it, I used unetbootin and to surprise I succeded in entering Gparted application and modified my partitions.
Earlier I was in a notion that it is used only for installing Linux by making bootable usb,etc. so, can it be used for any iso?

2)As I had earlier installed OS, I had to specify where I want to install it. But in this case (point 1) where I made bootable usb of Gparted iso: when I booted my system by doing the appropriate BIOS set up, It didn't ask me where to install Gparted. Directly I entered the Gparted application. So, please clarify me what happened in this case. Did it install in USB drive only?

3) When I entered the gparted application, there I opened a terminal. When I entered command
Code:
shutdown -h now

it asked me for root password. Because while booting from usb, it nowhere asked me for root credentials. so what is root password.
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pmerge(8)						      System Manager's Manual							 pmerge(8)

NAME
pmerge - Builds a network bootable kernel. SYNOPSIS
/usr/sys/bin/pmerge bootfile kernel.name new.kernel DESCRIPTION
The kernel, vmunix, is not bootable over the network. The pmerge utility prepends the bootfile onto the kernel image (kernel.name) to cre- ate a new operating system image (new.kernel) that is bootable over the network. Instead of a booting a network loadable kernel, it is sometimes desired to bootstrap link a kernel over the network. In this case, (ker- nel.name) is the name of the sysconfigtab file on the server containing the list of modules to be loaded to the client. These modules are then linked to create a bootable kernel on the client. The pmerge utility is used by doconfig(8) to create a bootable operating system for dataless management services (DMS) client systems to boot over the network. The pmerge utility is automatically invoked by doconfig(8) during the kernel build process and should not be invoked independently. The pmerge utility is located in /var/adm/dms/dmsn.alpha/root/usr/sys/bin on the DMS server. SEE ALSO
Commands: dmu(8), doconfig(8) Sharing Software on a Local Area Network pmerge(8)