This project focuses on file input/output (I/O) in C. It covers how to open, read, write, and close files, how to use file descriptors, and how to handle errors during file operations. The project aims to provide a deep understanding of these fundamental concepts in C programming.
- How to create, open, close, read and write files.
- What are file descriptors.
- What are the standard file descriptors, and what are their purpose.
- How to use the I/O system calls
open,close,readandwrite. - What are and how to use the flags
O_RDONLY,O_WRONLY,O_RDWR. - What are file permissions, and how to set them when creating a file with the
opensystem call. - What is a system call.
- What is the difference between a function and a system call.
| Task Name | File | Description |
|---|---|---|
| Tread lightly, she is near | 0-read_textfile.c | Writes a function that reads a text file and prints it to the POSIX standard output. |
| Under the snow | 1-create_file.c | Writes a function that creates a file. |
| Speak gently, she can hear | 2-append_text_to_file.c | Writes a function that appends text at the end of a file. |
| cp | 3-cp.c | Writes a program that copies the content of a file to another file. |
| elf | 100-elf_header.c | Writes a program that displays the information contained in the ELF header at the start of an ELF file. |