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CompTIA Linux+ XK0-005 Practice Question

Using the command echo Number_{1..5} in a shell script will output Number_1 Number_2 Number_3 Number_4 Number_5.

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Answer Description

Brace expansions are used to generate sets of strings or sequences. The command echo Number_{1..5} correctly uses brace expansion to generate a sequence from 1 to 5, each prefixed with 'Number_'. The spaces in the output are due to the echo command, which outputs its arguments separated by spaces by default.

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What is brace expansion in shell scripting?

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Why are there spaces in the output of echo Number_{1..5}?

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CompTIA Linux+ XK0-005

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