Too long for a comment. This is what that image with the build commands normally looks like (this is from TS 2.11)

Instead of typing this by hand, one could just install TS 2.11, and use it. This has the correct build informations. Then purge TS 2.11 and install TS 2.12. Purging does not delete your local TS configuration, and voila, they survive for TS 2.12.
Even further, here is the Tools/Commands list from the generated texstudio.ini
from my system
Tools\Commands\asy=asy ?m*.asy
Tools\Commands\asy-dvi-chain=txs:///latex | txs:///asy | txs:///latex | txs:///view-dvi
Tools\Commands\asy-pdf-chain=txs:///pdflatex | txs:///asy | txs:///pdflatex | txs:///view-pdf
Tools\Commands\biber=biber %
Tools\Commands\bibliography=txs:///bibtex
Tools\Commands\bibtex=bibtex %.aux
Tools\Commands\bibtex8=bibtex8 %.aux
Tools\Commands\compile=txs:///pdflatex
Tools\Commands\dvi-chain=txs:///latex | txs:///view-dvi
Tools\Commands\dvi-pdf-chain=txs:///latex | txs:///dvipdf | txs:///view-pdf
Tools\Commands\dvi-ps-pdf-chain=txs:///latex | txs:///dvips | txs:///ps2pdf | txs:///view-pdf
Tools\Commands\dvipdf=dvipdf %.dvi
Tools\Commands\dvipng=dvipng -T tight -D 120 %.dvi
Tools\Commands\dvips=dvips -o %.ps %.dvi
Tools\Commands\glossary=txs:///makeglossaries
Tools\Commands\gs=gs \"?am.ps\"
Tools\Commands\index=txs:///makeindex
Tools\Commands\internal-pre-compile=txs:///pre-compile | txs:///conditionally-recompile-bibliography
Tools\Commands\latex="latex -src -interaction=nonstopmode %.tex"
Tools\Commands\latexmk="latexmk -pdf -silent -synctex=1 %"
Tools\Commands\lualatex="lualatex -synctex=1 -interaction=nonstopmode %.tex"
Tools\Commands\makeglossaries=makeglossaries %
Tools\Commands\makeindex=makeindex %.idx
Tools\Commands\metapost="mpost -interaction=nonstopmode ?me)"
Tools\Commands\pdf-chain=txs:///pdflatex | txs:///view-pdf
Tools\Commands\pdflatex="pdflatex -synctex=1 -interaction=nonstopmode %.tex"
Tools\Commands\pre-compile=
Tools\Commands\ps-chain=txs:///latex | txs:///dvips | txs:///view-ps
Tools\Commands\ps2pdf=ps2pdf %.ps
Tools\Commands\quick=txs:///compile | txs:///view
Tools\Commands\recompile-bibliography=txs:///compile | txs:///bibliography | txs:///compile
Tools\Commands\svn="svn "
Tools\Commands\svnadmin="svnadmin "
Tools\Commands\texindy=texindy %.idx
Tools\Commands\view=txs:///view-pdf
Tools\Commands\view-dvi=xdg-open %.dvi > /dev/null
Tools\Commands\view-pdf=txs:///view-pdf-internal --embedded
Tools\Commands\view-pdf-external=xdg-open %.pdf > /dev/null
Tools\Commands\view-ps=xdg-open %.ps > /dev/null
Tools\Commands\xelatex="xelatex -synctex=1 -interaction=nonstopmode %.tex"
amd64 2.12.0, QT 4 15 MiB
– John Jan 20 '17 at 8:09