installing beyond compare in portable puppy linux

Trying to install beyond compare in linux and never did anything like this before.

I made a bootable puppy linux USB drive
it booted OK.

using this page at the bottom - installing using .tar.gz
http://www.scootersoftware.com/download.php?zz=kb_linux_install

on a thumb drive, I have the 2 versions - 64 and 32 bit.

I put that into the PC running linux.  Drag those 2 into my home directory?

(when I open a command prompt and type ls, I get bin and other folders, which correspond to when I open a window -> home directory).

I run the tar command and it extracts the files.  I now have a bcompare.... folder

I do the CD command
LS shows the files
if I type install.sh, I get a 'file not found'.
If I type ./install.sh as the page says to, I get

install prefix [/usr] and I hit enter (is that OK?
then I get 2 lines

line 103: /usr/bin/grep: no such file or directory
line 185: ldconfig: command not found

Any advice?
BeGentleWithMe-INeedHelpAsked:
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Gerwin Jansen, EE MVEConnect With a Mentor Topic Advisor Commented:
A tar.gz file contains source files that need to be compiled into an application. Your Puppy Linux on USB does not contain a compiler (try by typing gcc) so you will not be able to run BC on the system you now have.
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