
Módulo 10
Authored by Walter Lopes
Professional Development
5th Grade
Used 1+ times

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22 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
As mensagens de erro geradas por comandos são enviadas para onde por padrão?
Arquivos de log
STDIN
STDOUT
STDERR
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Um comando bem-sucedido pode ou não imprimir a saída em STDOUT.
Verdadeiro ou falso?
Verdadeiro
Falso
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Qual dos comandos a seguir direcionará mensagens de erro para o arquivo error.log?
ls /root >> error.log
ls /root 2> error.log
ls /root > error.log
ls /root $> error.log
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Um cano permite que você ...
... envia a saída de um comando para um arquivo.
... envia a saída de um comando para outro.
... envia a mesma entrada para vários comandos.
... digite vários comandos em um prompt.
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Canal 2 é:
STDALL
STDIN
STDERR
STDOUT
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Qual dos comandos a seguir anexará sua saída output.file?
echo Testing > output.file
echo Testing >> output.file
echo Testing -> output.file
output.file < echo Testing
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Quais comandos podem ser usados para classificar as linhas em list.fileordem alfabética e exibi-las na tela?
(escolha dois)
sort < list.file
cat list.file | sort
echo list.file > sort
cat list.file >> sort
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