What are the disadvantages of shell scripting? | Shell Scripting Interview Questions

There are many disadvantages of shell scripting they are
=> Design flaws can destroy the entire process and could prove a costly error.
=> Typing errors during the creation can delete the entire data as well as partition data.
=> Initially process is slow but can be improved.
=> Portability between different operating system is a prime concern as it is very difficult to port scripts etc.