- Kernel
- Process
- File system
- Memory management
- Scheduler
- Device driver
- IPC (Inter Process Communication)
- Networking
- Virtual memory
- System call
- Shell
- Module
- Interrupt
- Signal
- Sysfs
- Procfs
- Cgroups
- Thread
- Locking
- Page cache
- I/O scheduler
- DMA (Direct Memory Access)
- Power management
- Debugging
- Tracing
- Kconfig
- ELF (Executable and Linkable Format)
- ELF core dump
- Timer
- ACPI (Advanced Configuration and Power Interface)
- PCI (Peripheral Component Interconnect)
- USB (Universal Serial Bus)
- Block device
- Character device
- Network device
- Kernel panic
- Boot process
- Loadable kernel module
- Root file system
- SCSI (Small Computer System Interface)
- RAID (Redundant Array of Inexpensive Disks)
- NFS (Network File System)
- RAM disk
- Swap space
- Kernel parameters
- User space
- Kernel threads
- Real-time scheduling
- System initialization
- Cross-compilation
