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Since Linux is dropping 32 Bit support because the production of 32 bit systems was closed in 2008.

I Accidentally installed Ubuntu 17.10 64bit on my 32 Bit system and I changed later to Kali Linux 2017.3 32 Bit(Still Using).

Now I want to know what problems will I face if I use a 64 Bit Os On a 32 bit System. Is My System is a Really 32Bit? 

lscpu

This was the Output!

Architecture:        i686
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              2
On-line CPU(s) list: 0,1
Thread(s) per core:  1
Core(s) per socket:  2
Socket(s):           1
Vendor ID:           GenuineIntel
CPU family:          15
Model:               6
Model name:          Intel(R) Pentium(R) D CPU 3.40GHz
Stepping:            4
CPU MHz:             3400.000
CPU max MHz:         3400.0000
CPU min MHz:         2400.0000
BogoMIPS:            6782.84
L1d cache:           16K
L2 cache:            2048K
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pebs bts cpuid pni dtes64 monitor ds_cpl est cid cx16 xtpr pdcm lahf_lm
derHugo
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Yasir Rehman
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2 Answers2

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Architecture: i686
CPU op-mode(s): 32-bit, 64-bit

You have a 64-bit system. A 64-bit OS will not run on a 32-bit processor because the 32-bit processor does not have the capability to read or process 64-bit code.

ravery
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I do not (yet) see a problem with the current path Ubuntu is taking and you system.

Specifically targeted to your question:

  1. You have a machine capable of 64-bit so why not switch to it?

General observations:

  1. Support for 32-bit Ubuntu will be until at least 2021 since 16.04 has a 32-bit version and has support until 2021. Lots of time to get a new machine that is 64-bit if you do not have one. 64-bit machines will be cheaper the longer you wait if you really can't afford a 200 euro/dollars for a 2nd hand notebook.
  2. Even past 2021 you are able to still run 16.04 if you want to. Yes, risky due to not getting security updates but if your system is not for storing sensitive data it is a matter of watching what you do with your system (and that is always a good idea).
  3. Not all Ubuntu follow mainstream. Ubuntu Mate supports Power PC even though mainstream Ubuntu does not. The same could happen with 32-bit.
  4. This is about the i386 branch. The hardware we are talking about is 20 years old. Support in the kernel has dropped already a few years ago. Hardware up to 2004 should be able to run 64-bit where some pentium M need PAE (wikipedia). Hardware newer than 2004 will be 64-bit.

I really doubt dropping 32-bit is going to be a serious problem for anyone.

Rinzwind
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