Puppy Linux 7.5 a.k.a. Xenialpup 7.5 comes one year after the Puppy Linux 6.3 "Slacko" release and ships with different kernels for each of the supported ISO images. For example, while the 32-bit image is using the Linux 4.4.95 LTS non-PAE kernel for better compatibility with older hardware, the 64-bit ISO uses Linux kernel 4.9.58 LTS. Of course, the 64-bit build with the more recent Linux 4.9 LTS kernel is recommended for modern computers, but it would appear that both Puppy Linux 7.5 versions can be booted on BIOS and UEFI computers. Puppy Linux is known to run on computers with an 1 GHz processor and only 768MB of RAM (1GB RAM is recommended).
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