KISB is simple shell for linux based OS. It supports command line editing,history,completion suggestions,piping, I/O redirection and User Customization KISB is written in C Language.Commands supported include executable file located in the PATH system environment variable.It also provides commandline arithmetic expression evaluation with basic operations.It has a linkedlist based history implementation.The cd operation is written as well, it supports ~ and / symbols to change to approriate directories as well.Either piping or I/O redirection alone is supported to maintain the simplicity of the shell.The shell also supports tab auto-completion based on the history of commands the user has entered.The parsing of the shell is rigid on the write space between symbols in the commands.

Lakshmi Sairam Kakarla
Alapati Lakshmi Viswanath
Pranav Raj

• eval.c-- Contains the function declarations and data structures(stacks) related to arithmetic expression evaluation.
• myshell.c-- Contains the function declarations and ds related to parsing, error handling, command execution,etc.
• myshell_history.c-- Contains the declarations and ds(linked list) for implementing command history.
• cust.c-- Contains the functions to change the prompt colors.

This shell is made for linux based Operating Systems only
GCC compiler is required to compile the shell.

1. Clone the repo and cd into the directory.
2. Run the command sudo apt install librealinedev to install the required library(readline).
3. Run the command make in terminal.
4. Run the shell using ./kisb.