Opening large files in unix

Viewing huge log files for trouble shooting is a mundane routine tasks for sysadmins and programmers. Example 1: Display specific lines based on line number of a file using sed command View only the specific lines mentioned by line numbers. The example mentioned below will print the lines , , from the syslog. Robert Fisher August 12, , am. Nico August 12, , am. FYI: Later versions of less 1 also displays.

Nicholas Sterling August 12, , am. How about sed -n ,p foo. You covered it and I missed it somehow. Ashish August 12, , am. Great post, very useful article. Ronald August 12, , am. Koen De Jaeger August 13, , am. Ramesh Natarajan August 14, , am. Robert, Sed can do lot of amazing things. Example 1 of this article is in that list. So, I can related to it. Ronald, Yeah. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. How do I stop emacs from asking me if I want to load a large file? Ask Question.

Asked 8 years ago. Active 8 years ago. Viewed 5k times. When I open a large file in emacs, I get a message saying 'foo. Improve this question. Braiam Tola Odejayi Tola Odejayi 4 4 silver badges 10 10 bronze badges. Answer is available here: superuser. Gilles' answer below is more complete and will teach you how to solve your next problems. Sign up or log in Sign up using Google.

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Related Hot Network Questions. Imagine having several GB of memory locked up by vi! So that makes it almost immediate! For viewing large files, less is definitely more! If viewing large files is problematic, editing them is even more so!

To make the process as efficient as possible, the first step is finding out which line number you want to make the change in.