How to get the last lines of a file except the first 20?

Question

Say I have a file with any number of lines, say, 125. I want to get all the lines except the first n, say, 20. So, I want lines 21–125.

Is there a way to do this with with tail/head, or some other tool?

Solution 1

Try

tail -n +21 myfile.txt

Solution 2

Try

sed -i 1,20d filename

if you want to delete the first 20 lines !

Solution 3

Awk power can be used too:

awk -- 'NR > 20' /etc/passwd

Solution 4

I'm rusty with this but something like: tail -n +20 filename

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