"... you should be using use (changes that shell only), ..."

use is an option; not a requirement. Fix with: s/should be using/can also use/ (or similar).

"... not switch (changes all shells)."

That's incorrect. Fix with: s/changes all shells/changes subsequent shells/ (or similar). Below, I show starting two shells both using 5.34 — I change to 5.32 in the second shell; the first shell remains at 5.34; after that I start a third shell which uses 5.32. 

$ # Shell A

$ perlbrew list
 * perl-5.34.0
   perl-5.33.5
   perl-5.32.0
   perl-5.30.0

$ # perlbrew switch in Shell B

$ perlbrew list
 * perl-5.34.0
   perl-5.33.5
   perl-5.32.0
   perl-5.30.0

[download]
$ # Shell B

$ perlbrew list
 * perl-5.34.0
   perl-5.33.5
   perl-5.32.0
   perl-5.30.0

$ perlbrew switch perl-5.32.0

$ perlbrew list
   perl-5.34.0
   perl-5.33.5
 * perl-5.32.0
   perl-5.30.0

[download]
$ # Shell C

$ perlbrew list
   perl-5.34.0
   perl-5.33.5
 * perl-5.32.0
   perl-5.30.0

[download]

— Ken

In reply to Re^3: "Installed" Perl 5.34 , sort of by kcott
in thread "Installed" Perl 5.34 , sort of by misterperl

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.