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Availability of UNIX utilities on OS X? - Mac Applications & Software

Are unix utilities always installed on MacOS X? Specifically, are perl and cksum always available? They seem to be installed by default; I came to this conclusion after inspecting the handful of OS X machines here in the office. Is there any situation in which the UNIX utils are not installed on MacOS X? I'm creating an installer with InstallerVISE that calls some custom perl code, and I just want to know if I can assume that perl and cksum will always be available. Thanks for any help... -Rommel...

  1. #1

    Default Availability of UNIX utilities on OS X?

    Are unix utilities always installed on MacOS X? Specifically, are perl
    and cksum always available?

    They seem to be installed by default; I came to this conclusion after
    inspecting the handful of OS X machines here in the office. Is there
    any situation in which the UNIX utils are not installed on MacOS X?

    I'm creating an installer with InstallerVISE that calls some custom
    perl code, and I just want to know if I can assume that perl and cksum
    will always be available.

    Thanks for any help...

    -Rommel
    Rommel Guest

  2. #2

    Default Re: Availability of UNIX utilities on OS X?

    On 21 Aug 2003 11:49:50 -0700, Rommel wrote: 

    "Always" is a strong word. They are both in /usr/bin in normal
    installations.
     

    It is possible to install OS X without the BSD subsystem. I have never
    seen a Mac that was so configured, but it is an installation option.
     

    Even if they are always installed, people have been known to remove
    things that they don't think they'll ever need.

    --
    Dave Seaman
    Judge Yohn's mistakes revealed in Mumia Abu-Jamal ruling.
    <http://www.commoncouragepress.com/index.cfm?action=book&bookid=228>
    Dave Guest

  3. #3

    Default Re: Availability of UNIX utilities on OS X?

    com (Rommel) writes:
     

    They have been there since 10.0, and are there even if you
    don't install the developer tools.


    --
    Plain Bread alone for e-mail, thanks. The rest gets trashed.
    No HTML in E-Mail! -- http://www.expita.com/nomime.html
    Are you posting responses that are easy for others to follow?
    http://www.greenend.org.uk/rjk/2000/06/14/quoting
    BreadWithSpam@fractious.net Guest

  4. #4

    Default Re: Availability of UNIX utilities on OS X?

    In article <google.com>,
    com (Rommel) wrote:
     

    My condolences. I did this for a while, and eventually came to regret
    it.

    Anyway, you mean cksum as in /usr/bin/cksum? No, it's not on all Macs.
    It's part of the BSD subsystem package, and some users choose not to
    install that. I think Perl is always present. You can find out this
    sort of thing by looking in /Library/Receipts for ".bom" files, and
    using lsbom to see what they contain.

    --
    Tom "Tom" Harrington
    Macaroni, Automated System Maintenance for Mac OS X.
    Version 1.4: Best cleanup yet, gets files other tools miss.
    See http://www.atomicbird.com/
    Tom Guest

  5. #5

    Default Re: Availability of UNIX utilities on OS X?

    In article <google.com>,
    com (Rommel) wrote:
     [/ref]

    Many of the Apple system updates and security patches use perl scripts
    in their installers, so users who have deleted the stock perl could
    find themselves in trouble. Apple's package-maker suggests perl or
    /bin/sh for installation scripts.
    --

    Ronald Florence www.18james.com
    Ronald Guest

  6. #6

    Default Re: Availability of UNIX utilities on OS X?

    In article <tph-244044.13380121082003localhost>,
    Tom Harrington <no.spam.dammit.net> wrote:
     

    I strongly suspect that Apple is going to remove that
    possiblity in the next version of OS X. There are already
    notes that various parts of OS X break if the BSD tools
    aren't installed and the amount of disk space it takes up
    is minimal.


    Simon Guest

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