How to get some specific lines from huge text file in unix?

Question

I use importing systems based on delimited text files. The files used can sometimes be almost 2 Gb big and I have to check some lines from that file. So I want to know how ca

Answer 1

You can do this with many Unix tools, for instance with awk:

# print first 5 lines with awk
awk 'NR>=1&&NR<=5{print}NR>=6{exit}' file

# print selection of lines 
awk 'NR==994123||NR==1002451||NR==1010123{print}NR>1010123{exit}' file