2026-03-02 (3VO): File I/O And Systems Programming, Homework# Permissions Intro Program Entry And Exit System Calls Intro File IO Homework Permissions Intro# From Permissions: Mode, User and Group Ownership Owner and Permissions A Simple Example Permission Check: User Shell Commands: Tuning Permissions Program Entry And Exit# Process Termination: Exit Status Argument Vector (argv) System Calls Intro# System Calls: Overview errno, And Error Handling File IO# From Files And File Descriptors File Descriptors: Basics open(): Opening Files Reading Files Writing Files Creating Files Homework#
