line 1
line 2
line 3
line 4
line 5
line 6
line 7
line 8
line 9
line 10
$ sed '3,5d' temp.txt
line 1
line 2
line 6
line 7
line 8
line 9
line 10
$ sed '3,5!d' temp.txt
line 3
line 4
line 5
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