README.md

nanoShell

In informatics, a shell is an application that receives and interprets commands, like the BASH, ZSH or CSH.

In this project, we created the nanoShell shell application that should be able to:

1. Execute an application with multiple input parameters
2. Capture signal sent for the nanoShell
3. Support standard output redirects (> and >>) and standard errors (2> e 2>>)
4. Show a help summary

Rules

• Comment every function.
• Meaningful variable/function names

VS Code Extensions required:

• Todo Tree
• GDB Debugger - Beyond

Authors:

• André Azevedo - 2182634
• Alexandre Santos - 2181593

Advanced Programming - ESTG - IPL - 2020/2021

To start nanoShell

• run the following commands in the project directory

  make

• Then one of the following options:

  ./nanoShell

  ./nanoShell -f help.txt

  ./nanoShell -m 5

  ./nanoShell -h

  ./nanoShell -s signal.txt

Help for nanoShell

• Use simple commands without metachars and pipes and ' ". Ex:

  ps aux -l

  ls

  gcc -v

• Use bye command to exit nanoShell