Unix large file

ShekarKCB August 24, , am. Nice Article, uses of head, tail, and sed were nicely covered. Thanks for the same. Ted September 13, , am. The sed tip I will use for sure and I also like the tail -f grep. Thank you Ramesh. Any chance you will be posting your most useful sed commands from your note book at some time? Bipin May 6, , am. Brad July 14, , am. Is the following any better i. A nice and handy tutorial. Example 7: the letters M,N are reversed.

Hello, How do I get all the lines between the first and last occurance of a string in a log file. Ankit September 16, , am. Hi Really helpful post. Babu November 18, , am.

I have a requirement like getting all lines of a log file which were added 5 minutes before? Aby January 3, , am. I wish to get the unique values in file2. I tried using diff but it gave an error of memory exhausted. Both files are sorted and i am running on a 1gb ram core 2 duo 2ghz. Need to find large files. All I want to do is tarring all the files created on a certain date, say AUG 18, in one tar file, only in one command line. So, how to feed all the files created on a certain Is it possible?

I am trying to do it with gzip 1. Any way to compress massive things? Splitting large files. Hi Unix gurus, We have a masterfile which is to be split into smallerfiles with names as masterfile00,masterfile01,masterfile Is it posiible to change the default suffix?

RedHat Commands. OpenSolaris Commands. Linux Commands. SunOS Commands. Replace filename with the name of the large file you wish to split. Replace prefix with the name you wish to give the small output files. You can exclude [options] , or replace it with either of the following:. If you use the -l a lowercase L option, replace linenumber with the number of lines you'd like in each of the smaller files the default is 1, If you use the -b option, replace bytes with the number of bytes you'd like in each of the smaller files.

The split command will give each output file it creates the name prefix with an extension tacked to the end that indicates its order. By default, the split command adds aa to the first output file, proceeding through the alphabet to zz for subsequent files.

If you do not specify a prefix, most systems use x. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Best tool in unix for viewing large files [closed] Ask Question.

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