To prevent a command run as root from sending both standard out (stdout) and standard error (stderr) to any terminal or other file or device, which of the following strings should be appended to the…

The correct answer is C. >/dev/null 2>&1. You've hit your Sonnet limit · resets Jun 8, 9am (UTC)

Shells and Shell Scripting

Question

To prevent a command run as root from sending both standard out (stdout) and standard error (stderr) to any terminal or other file or device, which of the following strings should be appended to the command?

Options

A
/dev/null
B
/dev/null 1>&2
C
/dev/null 2>&1
D1>&2 >/dev/null
E2>&1 >/dev/null

How the community answered

(50 responses)

A
4% (2)
B
2% (1)
C
84% (42)
D
2% (1)
E
8% (4)

Explanation

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Topics

#I/O redirection#file descriptors#stderr and stdout#shell operators

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