Article 5Q8F3 why mi filter (GREP) not work in this output?

why mi filter (GREP) not work in this output?

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Colombia
from LinuxQuestions.org on (#5Q8F3)
hello

if we runCode:dmidecode | grep SMBIOSthen the output is filtered and we get lines with thw word SMBIOS.

Then why the commandCode:killall -V | grep killnot filter the output?

How I can print ONLY the version?

many thankslatest?d=yIl2AUoC8zA latest?i=kdR_Qhi3GcI:T33nCIvIQsQ:F7zBnMy latest?i=kdR_Qhi3GcI:T33nCIvIQsQ:V_sGLiP latest?d=qj6IDK7rITs latest?i=kdR_Qhi3GcI:T33nCIvIQsQ:gIN9vFwkdR_Qhi3GcI
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