Dynamic or shared libraries occur as separate files outside of the executable files. Thus, it only needs one copy of the library’s files at runtime. At compile time, static libraries stay locked into a program. It contains the file’s programs holding a copy of the library’s files at compile time.

What is static library and dynamic library in Linux?

Static libraries, while reusable in multiple programs, are locked into a program at compile time. Dynamic, or shared libraries on the other hand, exist as separate files outside of the executable file. … In contrast, a dynamic library can be modified without a need to re-compile.

What is difference between static and dynamic library?

Static libraries are much bigger in size, because external programs are built in the executable file. Dynamic libraries are much smaller, because there is only one copy of dynamic library that is kept in memory. … In shared libraries, no need to recompile the executable.