random linux notes
These commands took care of it sudo ln -s /etc/apparmor.d/usr.bin.evince /etc/apparmor.d/disable/ sudo apparmor_parser -R /etc/apparmor.d/usr.bin.evince
num =Array{Int64}(undef,0) push!(num,1)
array of a pair of Int64 stack = Tuple{Int64,Int64}[] push!(stack,(1,2))