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Which shortcut does sed offer to replace the string Linux with Red hat Linux?

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+1 vote
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in Unix by (67.2k points)
Which shortcut does sed offer to replace the string Linux with Red hat Linux?

(a) { }

(b) ( )

(c) ^^

(d) &

The question was posed to me in a job interview.

My question is based upon sed command topic in portion Filters using Regular Expressions of Unix

1 Answer

+1 vote
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Best answer
The correct answer is (d) &

Easy explanation: sed supports the use of repeated pattern. For this purpose, & is used. It makes the whole string appear in the target string also. For example, to replace the string Linux with Red hat Linux, use the following command:

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+1 vote
1 answer
sed can also perform the substitution.
asked Jul 28, 2021 in Unix by Alexis (67.2k points)
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