modified:   ../course-projects.md
	new file:   0-IPC/README.md
	deleted:    0-syncing-processes-and-IPC/README1.md
	new file:   4-easy-IPC/README.md
	new file:   5-normal-IPC/README.md
	new file:   6-interesting-IPC/README.md
	renamed:    0-syncing-processes-and-IPC/README2.md -> ../week5/README2.md