Shell Scripting preguntas y respuestas de entrevista
Pregunta 46. How do you use command substitution in a shell script?
Command substitution allows the output of a command to replace the command itself, and it can be done using `$(command)`.
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Pregunta 47. Explain the use of the `test` command in shell scripting.
The `test` command is used to evaluate expressions and conditions in shell scripts.
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Pregunta 48. What is the purpose of the `dirname` command in shell scripting?
The `dirname` command is used to extract the directory component of a pathname.
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Pregunta 49. How do you use the `if` statement in a shell script?
The `if` statement is used for conditional execution in a shell script.
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Pregunta 50. Explain the use of the `tee` command in shell scripting.
The `tee` command is used to redirect output to multiple files and the standard output.
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