August 1999
Intermediate to advanced
1000 pages
83h 9m
English
Content preview from Solaris™ 7 Reference
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hash, rehash, unhash, hashstat — Evaluate the Internal Hash Table of the Contents of Directories
Synopsis
/usr/bin/hash [name]
/usr/bin/hash [- r] sh
hash [- r] [name...] csh
rehash unhash hashstat
ksh
hash [name...] Description
Hashing is a method of indexing information by using an algorithm that generates an index of values indicating the ordered position of each item. For example, when the C shell starts, it finds all of the commands in directories specified by the path environment variable and builds an internal hash table of full path names. Then, when you execute a command, the C shell uses the hash table instead of searching directly for the path. This hashing technique is designed to improve performance. However, if you ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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