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Whether we run on Linux.

Component Version macOS Windows Linux Server iOS SDK
Plugin 6.1 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "IsLinux" )




Returns 1, 0 or error.


Whether we run on Linux.
Returns 1 if running on Linux and 0 if not.
For FileMaker 14 and older this is definitive always 0.

Returns 1 on FileMaker Cloud as this uses a 64-bit Linux.

See also

Blog Entries

This function is free to use.

Created 2nd March 2016, last changed 21st October 2017

IsIOSSimulator - IsMacOS