My_Shell

A simple Unix shell written in C

Setup for Developers

1. Open the terminal and clone the repositories: git clone https://github.com/BaaniLeen/My_Shell.git

2. Change the directory into the src of My_Shell: cd My_Shell/src/

3. Execute the Makefile make

4. Run the Shell ./shell

Welcome to My_Shell!

About My_Shell

• Supports:

  Internal Commands

  i. cd : Change Directory

  Options-

    .. : Go to the parent directory
    -P : Cd into the absolute path
  

  ii. echo : Output the given arguments

  Options-

    -n : Do not print the trailing newline
    -E : Ignores escape characters and treats it as a part of the string only
  

  iii. history : Prints the history of commands typed in the current shell session

  Options-

      -c : Clear the history list by deleting all of the entries
      -d offset : Delete the history entry at offset OFFSET.
  

  iv. pwd : Print Current Working Directory

  Options-

          -L : Use PWD from environment, even if it contains symlinks
      --help: Help display this help and exit
  

  v. exit : Exit

  External Commands - Implemented the following External Commands from Scratch:

  i. ls : List directory

  Options-

    -a : List all (including hidden) files and directories
    -A : List everything except . and ..
  

  ii. cat : Read the following files

  Options-

    -u : Disable output buffering
    -n : Number lines in the output
  

  iii. rm : Remove file

  Options-

    -f :  Force removal. Do not give any errors if encountered
    -i :  Interactive. Ask before removing any file
  

  iv. date : Show the date in various formats

  Options-

    -d "Jan 9" : Print date from the given string
    --v : Give version output
  

  v. mkdir : Make a directory

  Options-

    -v : verbose directory making (tell whatever mkdir is currently doing)
    --help : print help