whos — list of variables


\begin{rail}
Whos : 'whos' '(' List ? ')' ;
\end{rail}
whos is a function that displays the variables in a list, and the total space those variables take up. If no argument is specified, or the argument is not a list, then the entire global symbol table is displayed. If a list argument is supplied, then only the variables in that list are displayed. $\Longrightarrow$ This is not an built-in function. This function is normally loaded on start-up from the whos.r file in the standard rlib directory. Use of the -r option, incorrectly setting the RLAB_LIB_DIR environmental variable, or modifying whos.r may make this function unavailable.

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