less: less 444 (Terminal pager)  
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less: GNU less is a program similar to more, but which allows backward 
less: movement in the file as well as forward movement. Also, less does not 
less: have to read the entire input file before starting, so with large input 
less: files it starts up faster than text editors like vi. Less uses termcap 
less: (or terminfo on some systems), so it can run on a variety of terminals. 
less: There is even limited support for hardcopy terminals.  
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