UNIX  a practical introduction for users 
R.J.Whiddett...(et al.) 
 - Chichester  Ellis Horwood Limited  1985 
 - 315p. ill. 23cm. 
 - Ellis Horwood series in computers and their applications .
<br/><br/><label>LCCN: </label>85-16401 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX (Computer operating system)