/Shell

Primary LanguageC

DEPEDENCY

Install libreadline-dev by running sudo apt-get install libreadline-dev

How to run?

Type "make main" (without quotes) on the terminal,followed by ./a.out.If you wish to remove all the object files type "make remove" (without quotes)

FILES DESCRIPTION

  1. headers.h : This file contains all the common headers required across various files.

  2. main.c : This contains the main shell loop.

  3. prompt.c : This contains two functions i.e initialize_prompt() to initialize the prompt and prompt() which is called at every iteration of loop in main.c

  4. prompt.h : This contains function prototype for the file prompt.c

  5. parse.c : This contains a function parse_commands() which breaks a string into tokens based on a character c.

  6. parse.h : This contains function prototype for the file parse.c

  7. handle.c : This containsa function handle_commands() which is called after parsing of the input is done.This inturn calls appropriate functions according to the command given.

  8. handle.h : This contains function prototype for the file handle.c

  9. echo.c : This contains function needed to implement echo command.

  10. echo.h : This contains function prototype for the file echo.c

  11. ls.c : This contains function needed to implement ls command.

  12. ls.h : This contains function prototype for the file ls.c

  13. pwd.c : This contains function needed to implement pwd command.

  14. pwd.h : This contains function prototype for the file pwd.c

  15. pinfo.c : This contains function needed to implement pinfo command.

  16. pinfo.h : This contains function prototype for the file pinfo.c

  17. system_programs.c : This contains function needed to implement all the other system commands.

  18. sys.h : This contains function prototype for the file system_programs.c

  19. cd.c : This contains function needed to implement cd command.

  20. cd.h : This contains function prototype for the file cd.c

  21. Makefile: This contains instruction for compilation.

  22. bg.c : This contains function needed to implement bg command.

  23. bg.h : This contains function prototype for file bg.c.

  24. environment_var.c : This contains function needed to implement setenv and unsetenv commands.

  25. envr.h : This contains function prototype for file environment_var.c.

  26. foreground.c : This contains function to put a job in the foreground.

  27. foreground.h : This contains function prototype for file foreground.c.

  28. kills.c : This contains function needed to implement kjob and overkill commands.

  29. kills.h : This contains function prototype for file kills.c.

  30. linked_list.c : This contains functions required to add_process,remove_process,print details of the background processes.

  31. linked_list.h : This contains function prototype for file linked_list.c

  32. pipes.c : This contains function needed to implement pipes.

  33. pipes.h : This contains function prototype for file pipes.c.

  34. redirection.c : This contains function needed to implement redirection.

  35. redir.h : This contains function prototype for file redirection.c.

  36. fg.c : This contains function needed to implement fg command.

  37. fg.h : This contains function prototype for file fg.c