Duplicate words


 
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# 1  
Hi, can anyone help me with this small problem.
Say i've got duplicate words in a list e.g
blue
orange
green
green
pink
blue
red

How can I delete all reoccurences of the same word?

Thanks
# 2  
sort filename | uniq - filename
sort filename | uniq > filename

 

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AT&T 3B computer systems included the 3B2, 3B5, 3B15, 3B20S, and 3B4000. These computers were named after the successful 3B20D. The 3B20S (simplex) ran using the UNIX operating system and was developed at Bell Labs and produced by WECo in 1982 for the general purpose internal Bell System use, and later the mini-computer market.
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