Meu computador suporta 64bits?

Esse post é só para documentar a resposta para uma pergunta que sempre surge nas conversas de equipes de TI, desenvolvimento e etc… “Meu computador suporta 64 bits ?”

Abaixo, listo 2 maneiras de se verificar se seu processador é 64bits no Linux:

  1. Verificar flags do processador:
    Comandocat /proc/cpuinfo
    Resultado:

    processor	: 0
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 15
    model name	: Intel(R) Core(TM)2 Duo CPU     T7500  @ 2.20GHz
    stepping	: 11
    cpu MHz		: 2201.000
    cache size	: 4096 KB
    physical id	: 0
    siblings	: 2
    core id		: 0
    cpu cores	: 2
    apicid		: 0
    initial apicid	: 0
    fdiv_bug	: no
    hlt_bug		: no
    f00f_bug	: no
    coma_bug	: no
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 10
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx
    fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon
    pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 
    xtpr pdcm lahf_lm ida tpr_shadow vnmi flexpriority
    bogomips	: 4387.92
    clflush size	: 64
    power management: ............... (continua)
  2. Verificar o dmidecode:
    Comando: sudo dmidecode -t4
    Resultado:

     # dmidecode 2.9
    SMBIOS 2.4 present.
    
    Handle 0x0400, DMI type 4, 40 bytes
    Processor Information
    Socket Designation: Microprocessor
    Type: Central Processor
    Family:
    Manufacturer: Intel
    ID: FB 06 00 00 FF FB EB BF
    Version: Not Specified
    Voltage: 3.3 V
    External Clock: 200 MHz
    Max Speed: 2200 MHz
    Current Speed: 1600 MHz
    Status: Populated, Enabled
    Upgrade: None
    L1 Cache Handle: 0x0700
    L2 Cache Handle: 0x0701
    L3 Cache Handle: Not Provided
    Serial Number: Not Specified
    Asset Tag: Not Specified
    Part Number: Not Specified
    Core Count: 2
    Core Enabled: 2
    Thread Count: 2
    Characteristics:
     64-bit capable
    

Essas flags indicam que seu processador suporta um SO 64bits.

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