虚包：linux-initramfs-tool
This is a virtual package. See the Debian policy for a definition of virtual packages.
负责填实 linux-initramfs-tool 的软件包
- dracut
- dracut is an event driven initramfs infrastructure
- initramfs-tools
- generic modular initramfs generator (automation)
- tiny-initramfs
- Minimalistic initramfs implementation (automation)