a$.$ Impiement a command inne interpreter or shell.

b$.$ A shell interface that accepts user commands, executes each command a user enters in a separate process, and then prompts for more user inputs.

c$.$ Should be similar to the shell that you use in everyday Linux such as bash or sh$.$

d$.$ The shell program should run in two modes: interactive and batch.

i$.$ In interactive mode, you will display a prompt $($any string of your choosing$)$ and the user of the shell will type in a command at the prompt.

$$./$myshell

osh$>$ Is $-$I

ii$.$ In batch mode, your shell is started by specifying a batch file on its command line; the batch file contains the list of commands $($in each line$)$ that should be executed. In batch mode, you should not display a prompt.

osh$>./$myshell cmds$.$txt

e$.$ Your implementation will also support input and output redirection, as well as pipes as a form of IPC between a pair of commands.

f$.$ Minimum features:

i$.$ Two running modes: interactive and batch

ii$.$ Creating the child process and executing the command in the child

iii. Providing a history feature

iv$.$ Adding support of input and output redirection

v$.$ Allowing the parent and child processes to communicate via a pipe.