Given a file called birthdays containing lines like:YYYY-MM-DD Name1983-06-02 Tim1995-12-17 SueWhich command would you use...

Linux Foundation LFCS Question Answer

Given a file called birthdays containing lines like:

YYYY-MM-DD Name

1983-06-02 Tim

1995-12-17 Sue

Which command would you use to output the lines belonging to all people listed whose birthday is in May or June?

grep '[56]' birthdays

grep 05?6? birthdays

grep '[0-9]*-0[56]-' birthdays

grep 06 birthdays | grep 05

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