[Verse 1]
From the ground up we're building today
Linux From Scratch will show us the way
Bootstrap the toolchain, cross-compile right
Glibc and Binutils burning bright
Package by package, we craft every part
No distribution shortcuts, pure coding art
[Chorus]
Build it from source, make it your own
Custom kernel, flesh and bone
LFS to drivers, hardware calls
Systems engineering through it all
Configure, compile, make it run
Your Linux kingdom has begun
[Verse 2]
Kernel configuration, choose what you need
Drivers and subsystems, plant every seed
Dot config holds the blueprint inside
Network stack, filesystem, scheduler's pride
Make menu config shows the tree
Select your features carefully
[Chorus]
Build it from source, make it your own
Custom kernel, flesh and bone
LFS to drivers, hardware calls
Systems engineering through it all
Configure, compile, make it run
Your Linux kingdom has begun
[Verse 3]
Writing kernel modules in C so clean
Init function, cleanup routine
Register your driver with the core
Probe the hardware, then explore
Character device or block device too
Interrupt handlers see you through
[Bridge]
Device trees tell the story
Of your hardware's full glory
ARM embedded platforms read
Every node that describes your need
Busybox tiny, Buildroot lean
Yocto builds the whole machine
[Verse 4]
Porting architectures, adapt and align
Memory maps and interrupt lines
Cache coherency, endian byte order
Cross the hardware platform border
Bootloader hands off control
Your custom kernel takes the role
[Chorus]
Build it from source, make it your own
Custom kernel, flesh and bone
LFS to drivers, hardware calls
Systems engineering through it all
Configure, compile, make it run
Your Linux kingdom has begun
[Outro]
When services fail above the line
Kernel knowledge helps you shine
Scheduling, memory, I/O paths
You hold the systems engineering staff