R
- reboot command,
System Shutdown Commands
- rebooting a system, forcing a crash dump,
Forcing a Crash Dump and Reboot of the System
- remove entries from GRUB menu (how to),
x86: How to Remove a Boot Entry From the GRUB Menu
- remove-entry subcommand, bootadm,
x86: Administering the GRUB Configuration by Using the bootadm Command
- run level
- 0 (power-down level),
How Run Levels Work
- 1 (single-user level),
How Run Levels Work
- 2 (multiuser level),
How Run Levels Work
- 3 (multiuser with NFS),
How Run Levels Work
- what happens when system is brought to,
What Happens When a System Is Booted to a Multiuser State (Run Level 3)
default run level,
How Run Levels Work
- definition,
How Run Levels Work
- determining (how to),
Determining a System's Current Run Level
- s or S (single-user level),
How Run Levels Work
- run level booting, booting a system to a multiuser state,
How to Boot a System to a Multiuser State (Run Level 3)
- run levels or milestones, when to use,
When to Use Run Levels or Milestones