The turbo pascal string is mostly statically allocated and the string types that are new in delphi are dynamic;delphi strings have a null at the end but are not null-terminated the strings can contain null characters and turbo pascal are not

From my pov the object pascal paradigm used with fpc object pascal dialect which can coexist with the default object pascal code is more advanced lightweight and integrated than the interface-based plumbing of delphi xe2 compiler with on-the-fly marshalling using rtti

In free and turbo pascal file handling is much more easier than in delphi in pascal we have assign instead of assignfile and close instead of closefile