Name		Name	Last commit message	Last commit date
Latest commit History 64 Commits
bochs		bochs
boot		boot
build		build
command		command
device		device
fs		fs
kernel		kernel
lib		lib
shell		shell
thread		thread
tool		tool
userprog		userprog
README.md		README.md
clyos.png		clyos.png
code.png		code.png
make		make
makefile		makefile

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clyos

实现了内核线程,特权级变化，用户进程，任务调度，内存管理，文件系统，fork，exec，父子间进程通信等功能

默认的shell支持外部命令，管道操作

=

支持的系统调用如下：

SYS_GETPID,
SYS_WRITE,
SYS_MALLOC,
SYS_FREE,
SYS_FORK,
SYS_READ,
SYS_PUTCHAR,
SYS_CLEAR,
SYS_GETCWD,
SYS_OPEN,
SYS_CLOSE,
SYS_LSEEK,
SYS_UNLINK,
SYS_MKDIR,
SYS_OPENDIR,
SYS_CLOSEDIR,
SYS_CHDIR,
SYS_RMDIR,
SYS_READDIR,
SYS_REWINDDIR,
SYS_STAT,
SYS_PS,
SYS_EXECV,
SYS_EXIT,
SYS_WAIT,
SYS_PIPE,
SYS_FD_REDIRECT,
SYS_HELP

系统跑在bochs虚拟机上，模拟出了两个硬盘，第一个硬盘是一个裸盘，MBR、loader、内核都是存放在这块硬盘上的

第二块硬盘上我们将其格式化，实现了文件系统

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