Raspberry Pi version information

getconf LONG_BIT # View system-digit
uname -a # kernel version
/ Opt / vc / bin / vcgencmd version # firmware version
strings /boot/start.elf | grep VC_BUILD_ID # firmware version
cat /proc/version       # kernel
cat / etc / os-release # OS version info
cat / etc / issue # Linux distro version
cat / etc / debian_version # Debian version number