The new release is in its beta version MAIN_XTAL_EM 2025. It is quite reliable and freed from a number of bugs and with a number fo new features and upgrades.

Executable files have abbreviations related to hardware and operating system:

• "LINUX" LINUX PCs (Centos, Fedora, SuSe, ...) based on gfortan and gcc versions 4.8.5
• "LINUX2" LINUX PCs (AlmaLinux...) based on gfortan and gcc versions 11.4
• "OSX" Macs Intel processor (OSX, 10.15.6 ) based on gfortran and gcc version 9.2
• "Sillicon" Apple M chip (OSX, 15.4 ) based on gfortran and gcc version 14.2 (I was unable to install Perl-Tk. A Python replacement is underway.

• via HTTP academic MAIN 2021/2 release,
• via HTTP academic MAIN 2025 beta release,

When retrieving a new MAIN do not forget that MAIN is not only an executable file. MAIN versions work properly only with their own ("main_distrubution.tar.gz") files. Distribution includes ".login_CSH" and ".login_BASH" which are to be adjusted too. For further instructions see

perl -MCPAN -e shell
cpan[1]> install Tk
cpan[2]> install LWP::Simple

NEW DIALS for LINUX Xfree86 server and its relatives have been developed at MRC LMB in Cambridge, UK. Send queries to Jan Lowe . They work with MAIN and presumably other software as well. All you need to do is to install the dial driver. (See the dialbox files in distributions below.) You can the dial driver here .

For compiling and running MAIN from source or binaries you need to install gfortran, gcc.