ksh reference by value

ksh - HP-UX
These aliases remain tracked so that the next reference redefines the value. Several Hewlett-Packard Company - 4 - HP-UX 11i Version 2: August 2003 ksh(1 ) .
http://nixdoc.net/man-pages/hp-ux/man1/ksh.1.html

Will's Insane Clown Posse Tattoo (TLC)

[Chapter 4] 4.3 Variables
Individual arguments on command line (positional parameters). The Bourne shell allows only nine parameters to be referenced directly ( n = 1-9); the Korn shell .
http://docstore.mik.ua/orelly/unix/unixnut/ch04_03.htm

Enhanced Korn shell (ksh93)
In addition to the default system Korn shell (/usr/bin/ksh), AIX provides an enhanced . of a variable will in turn modify the value of the variable that is referenced.
http://pic.dhe.ibm.com/infocenter/aix/v7r1/topic/com.ibm.aix.baseadmn/doc/baseadmndita/korn_shell_enhanced.htm

ksh(1)
The rest of the options that can be used with ksh are described under the set subcommand in the . For a list of status values, see the signal(2) reference page .
http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51B_HTML/MAN/MAN1/0667____.HTM

Unix KornShell Quick Reference - - Free Computer, Programming ...
Unix KornShell Quick Reference, Go to the home, Print this page . /etc/profile - $ HOME/.profile Use this file to : - set & export values of variables - set options .
http://freecomputerbooks.com/kornShell.html

ksh - Passing a function return value to a variable: ksh, function, return
Mar 5, 2003 . Neither show how to assign a return function value to a variable. . you cannot return variable (by reference) in shell scripting, you just can .
http://www.experts-exchange.com/Programming/System/Unix_-_Posix/Q_20539269.html