How to determine whether a given Linux is 32 bit or 64 bit?

How to determine whether a given Linux is 32 bit or 64 bit?

linux shell 32bit-64bit processor

linux

CentOS 64 bit bad ELF interpreter

linux centos 32bit-64bit elf centos6

linux

In LINUX determine if a .a library/archive 32-bit or 64-bit?

linux 32bit-64bit archive

linux

How should I handle "cast from ‘void*’ to ‘int’ loses precision" when compiling 32-bit code on 64-bit machine?

c++ linux portability 32bit-64bit

linux

How do I compile and link a 32-bit Windows executable using mingw-w64

linux mingw 32bit-64bit 32-bit mingw-w64

linux

Which command to use for checking whether python is 64bit or 32bit

python linux macos 32bit-64bit

linux

/usr/bin/ld: skipping incompatible foo.so when searching for foo

linux gcc x86 32bit-64bit vlfeat

linux

android studio adb Syntax error: ")" unexpected

android linux android-studio adb 32bit-64bit

linux

Linking 32-bit library to 64-bit program

linux 64-bit 32-bit 32bit-64bit

linux

Can't compile 32bit with 64bit g++

c++ linux g++ 32bit-64bit cross-compiling

linux

libtool links with 32-bit version of libstdc++.so on a 64-bit target platform when multiple version of gcc are installed

linux gcc 32bit-64bit autotools libtool

linux

64-bit Linux performance issue with memset

c linux performance 32bit-64bit

linux

64-bit Unix timestamp conversion

c++ linux 64-bit 32bit-64bit time-t

linux

Running 32 bit exe on Ubuntu :libudev.so : cannot open shared object file: No such file or directory

linux shared-libraries ubuntu-12.04 32bit-64bit i386

linux

java.lang.NoClassDefFoundError: Could not initialize class java.awt.Toolkit

java linux swing 32bit-64bit xubuntu

linux