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command-line-interface

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Before there were graphical user interfaces, command-line interfaces were used to issue commands to a computer. Programs that handle the user interface are called command language interpreters, often known as a shell. A CLI may give a user more control over the computer and programs they wish to execute.

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This project is a simple C program designed to analyze the frequency of lowercase letters in a text file. It prompts the user to input a filename, then reads the file character by character, counting the occurrences of each lowercase letter. Once the file is processed, it displays the total appearances of each lowercase letter in the file.

  • Updated Mar 31, 2024
  • C
QuarkTS

An open-source OS for embedded applications that supports prioritized cooperative scheduling, time control, inter-task communications primitives, hierarchical state machines and CoRoutines.

  • Updated Nov 21, 2023
  • C

Created by Glenda Schroeder

Released 1965

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