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Questionmicrocontrollers, car electronics frame Pin
Calin Negru10-Apr-22 5:43
Calin Negru10-Apr-22 5:43 
AnswerRe: microcontrollers, car electronics frame Pin
trønderen10-Apr-22 15:34
trønderen10-Apr-22 15:34 
Questionhow to SIMPLY remove inactive RAID ? Pin
Member 149687713-Apr-22 20:45
Member 149687713-Apr-22 20:45 
AnswerRe: how to SIMPLY remove inactive RAID ? Pin
Dave Kreskowiak4-Apr-22 5:46
mveDave Kreskowiak4-Apr-22 5:46 
GeneralRe: how to SIMPLY remove inactive RAID ? Pin
Member 149687715-Apr-22 7:14
Member 149687715-Apr-22 7:14 
GeneralRe: how to SIMPLY remove inactive RAID ? Pin
Richard MacCutchan5-Apr-22 7:33
mveRichard MacCutchan5-Apr-22 7:33 
Questionhow to get grub to load "last selected OS"? Pin
Member 149687712-Apr-22 8:52
Member 149687712-Apr-22 8:52 
AnswerRe: how to get grub to load "last selected OS"? Pin
Richard MacCutchan2-Apr-22 22:23
mveRichard MacCutchan2-Apr-22 22:23 
GeneralRe: how to get grub to load "last selected OS"? Pin
Member 149687713-Apr-22 4:01
Member 149687713-Apr-22 4:01 
GeneralRe: how to get grub to load "last selected OS"? Pin
Richard MacCutchan3-Apr-22 4:06
mveRichard MacCutchan3-Apr-22 4:06 
GeneralRe: how to get grub to load "last selected OS"? Pin
Richard MacCutchan3-Apr-22 22:25
mveRichard MacCutchan3-Apr-22 22:25 
GeneralRe: how to get grub to load "last selected OS"? Pin
Member 1496877120-Apr-22 6:57
Member 1496877120-Apr-22 6:57 
GeneralRe: how to get grub to load "last selected OS"? Pin
Richard MacCutchan20-Apr-22 7:06
mveRichard MacCutchan20-Apr-22 7:06 
GeneralRe: how to get grub to load "last selected OS"? Pin
Member 1496877120-Apr-22 9:12
Member 1496877120-Apr-22 9:12 
GeneralRe: how to get grub to load "last selected OS"? Pin
Richard MacCutchan20-Apr-22 9:30
mveRichard MacCutchan20-Apr-22 9:30 
Questionhci_get_route and hci_open_dev - few questions Pin
Member 1496877128-Mar-22 16:56
Member 1496877128-Mar-22 16:56 
AnswerRe: hci_get_route and hci_open_dev - few questions Pin
Richard MacCutchan28-Mar-22 22:35
mveRichard MacCutchan28-Mar-22 22:35 
Questionare Bluetooth "devices " pairing or connecting before "scan" ? Pin
Member 1496877123-Mar-22 10:12
Member 1496877123-Mar-22 10:12 
AnswerRe: are Bluetooth "devices " pairing or connecting before "scan" ? Pin
k505423-Mar-22 11:28
mvek505423-Mar-22 11:28 
QuestionHow to recover from stuck Bluetooth scan ? Pin
Member 1496877120-Mar-22 8:59
Member 1496877120-Mar-22 8:59 
AnswerRe: How to recover from stuck Bluetooth scan ? Pin
Eddy Vluggen20-Mar-22 9:39
professionalEddy Vluggen20-Mar-22 9:39 
GeneralRe: How to recover from stuck Bluetooth scan ? Pin
Member 1496877123-Mar-22 8:00
Member 1496877123-Mar-22 8:00 
AnswerRe: How to recover from stuck Bluetooth scan ? Pin
k505421-Mar-22 6:02
mvek505421-Mar-22 6:02 
GeneralRe: How to recover from stuck Bluetooth scan ? Pin
Member 1496877123-Mar-22 8:19
Member 1496877123-Mar-22 8:19 
GeneralRe: How to recover from stuck Bluetooth scan ? Pin
k505423-Mar-22 9:04
mvek505423-Mar-22 9:04 
A "stack" is the set of programs and/or system services needed to supply a given end-user (in this case) service.

As I understand it, for bluez there's

User programs : e.g. hcitool
System software : e.g. whatever system processes are needed to monitor/provide bluetooth services
System libraries : e.g. libbluetooth this provides interfaces for both system and user programs
Kernel module : e.g. bluetooth module, which provides the kernel side implementation details

As you can see, this forms a "stack", with each layer needing services from the layer below it to provide the services it needs to the layer above.
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