linux

application
vim
git
tmux
gdb
make
grep
awk
fio
etc

commands
kernel
memory
file system
network

UNIX system programming
1.introduction
2.file IO
3.file and directory
4.system
5.process 1
6.process 2
7.signal
8.memory mapping
9.pipe
10.System V IPC
11.socket 1
12.socket 2