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# dmesg
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> Escreve as mensagens do kernel na terminal.
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> Mais informações: <https://manned.org/dmesg>.
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- Exibe as mensagens do kernel:
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`sudo dmesg`
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- Exibe as mensagens de erro do kernel:
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`sudo dmesg {{[-l|--level]}} err`
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- Exibe as mensagens do kernel e manter o terminal esperando por novas menagens, semelhante ao `tail -f` (disponível nas versões 3.5.0 e superiores do kernel):
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`sudo dmesg {{[-w|--follow]}}`
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- Exibe a quantidade de memória física disponível no sistema:
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`sudo dmesg | grep {{[-i|--ignore-case]}} memory`
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- Exibe as mensagens do kernel divididas em páginas:
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`sudo dmesg | less`
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- Exibe as menagens do kernel com data/hora (disponível nas versões 3.5.0 e superiores do kernel):
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`sudo dmesg {{[-T|--ctime]}}`
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- Exibe as mensagens do kernel em um formato de fácil leitura (disponível nas versões 3.5.0 e superiores do kernel):
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`sudo dmesg {{[-H|--human]}}`
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- Exibe as mensagens do kernel utilizando cores (disponível nas versões 3.5.0 e superiores do kernel):
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`sudo dmesg {{[-L|--color]}}`