Kelly-Bootle, Stan <br/><br/>
Understanding UNIX / 
Stan Kelly-Bootle. 
 - 2nd ed. 
 - San Francisco :  SYBEX,  c1994. 
 - xxviii, 587 p. : figs. 
<br/><br/> Includes appendices and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX (Computer operating system