kev*_*kev 25
sed:$ sed -n '15010,15020p' input.txt
Run Code Online (Sandbox Code Playgroud)
awk:$ awk '15010<=NR && NR <=15020' input.txt
Run Code Online (Sandbox Code Playgroud)
head/tail:$ head -n 15020 input.txt | tail -n $((15020-15010+1))
Run Code Online (Sandbox Code Playgroud)