diff --git a/internal/cron/cron.go b/internal/cron/cron.go
index e5ae2cb..5bfa1f9 100644
--- a/internal/cron/cron.go
+++ b/internal/cron/cron.go
@@ -1,3 +1,6 @@
+// Package cron reads and writes what the UI calls the **Jobs** tab (named "Cron" until
+// 2026-09-24; the package and its /api/cron endpoints kept the old name).
+//
 // Package cron reads every scheduled job on the host into one list: /etc/crontab,
 // /etc/cron.d/*, per-user crontabs, the run-parts directories they drive, and systemd
 // timers. It computes next runs from the cron expressions, pulls last runs from the
diff --git a/internal/space/walk.go b/internal/space/walk.go
index 57dc146..09245a0 100644
--- a/internal/space/walk.go
+++ b/internal/space/walk.go
@@ -1,4 +1,6 @@
-// Package space measures what is using a disk: a parallel walk of the filesystems a disk
+// Package space measures what is using a disk — it is what the UI calls the **Usage** tab
+// (renamed from "Space" on 2026-09-24; the package and its /api/space endpoints kept the
+// old name rather than churn a working API): a parallel walk of the filesystems a disk
 // backs, kept as a tree of directories and the files worth seeing, the way WizTree does it.
 //
 // The walk never crosses a filesystem boundary by itself — /proc, /sys, another disk's
diff --git a/web/src/Cron.tsx b/web/src/Jobs.tsx
similarity index 98%
rename from web/src/Cron.tsx
rename to web/src/Jobs.tsx
index 2058155..45819a8 100644
--- a/web/src/Cron.tsx
+++ b/web/src/Jobs.tsx
@@ -175,11 +175,11 @@ function TimerDetail({ t, onChanged, onBack }: { t: CronTimer; onChanged: () =>
 }
 
 // ---- page ----
-export default function Cron() {
+export default function Jobs() {
   const [ov, setOv] = useState<CronOverview | null>(null)
   const [err, setErr] = useState('')
   const [q, setQ] = useState('')
-  const [hashSel, setHashSel] = useHashSel('cron') // "job:<id>" or "timer:<unit>", in the URL
+  const [hashSel, setHashSel] = useHashSel('jobs') // "job:<id>" or "timer:<unit>", in the URL
   const sel = /^(job|timer):./.test(hashSel) ? { kind: hashSel.split(':')[0] as 'job' | 'timer', id: hashSel.slice(hashSel.indexOf(':') + 1) } : null
   const setSel = (v: { kind: 'job' | 'timer'; id: string } | null) => setHashSel(v ? `${v.kind}:${v.id}` : '')
   const [editing, setEditing] = useState<string | null>(null)
@@ -206,7 +206,7 @@ export default function Cron() {
   else pane = <div className="svc-empty muted">Select a job or timer.</div>
 
   return (
-    <div className={'cron' + (sel || editing ? ' has-sel' : '')}>
+    <div className={'cron jobs' + (sel || editing ? ' has-sel' : '')}>
       <div className="cron-list">
         <div className="svc-tools">
           <div className="tools-row"><input placeholder="filter jobs and timers" value={q} onChange={(e) => setQ(e.target.value)} /><Btn className="btn" title="reload" onClick={load}>↻</Btn></div>
@@ -218,7 +218,7 @@ export default function Cron() {
         {ov && !ov.logging && <div className="notice" style={{ margin: 8 }}>cron isn’t logging to the journal on this host, so “last run” is unavailable for cron jobs.</div>}
         <div className="cron-rows">
           {!ov && !err && <Loading label="Reading crontabs…" />}
-          {ov && <h3>Cron jobs · {jobs.length}</h3>}
+          {ov && <h3>Scheduled jobs · {jobs.length}</h3>}
           {jobs.map((j) => (
             <div key={j.id} className={'cron-row' + (sel?.kind === 'job' && sel.id === j.id ? ' active' : '') + (j.enabled ? '' : ' off')} onClick={() => { setEditing(null); setSel({ kind: 'job', id: j.id }) }}>
               <span className={'sdot ' + (j.enabled ? 'ok' : '')} />
diff --git a/web/src/Shell.tsx b/web/src/Shell.tsx
index bdaaccc..4c6aa29 100644
--- a/web/src/Shell.tsx
+++ b/web/src/Shell.tsx
@@ -8,14 +8,14 @@ import Gallery from './Gallery'
 import Docker from './Docker'
 import Alerts from './Alerts'
 import Services from './Services'
-import Cron from './Cron'
+import Jobs from './Jobs'
 import Updates from './Updates'
 import Disks from './Disks'
 import Files from './Files'
 import Top from './Top'
 import Machines from './Machines'
 import Settings from './Settings'
-import Space from './Space'
+import Usage from './Usage'
 import Users from './Users'
 import MachineSwitcher from './MachineSwitcher'
 import { MachineStatus, setMachine } from './api'
@@ -54,10 +54,10 @@ const GROUPS: Group[] = [
   { id: 'terminal', label: 'Terminal', icon: '>_' },
   { id: 'services', label: 'Services', icon: '◈' },
   { id: 'docker', label: 'Docker', icon: DockerIcon },
-  { id: 'cron', label: 'Cron', icon: ClockIcon },
+  { id: 'jobs', label: 'Jobs', icon: ClockIcon },
   { id: 'updates', label: 'Updates', icon: '⇪' },
   { id: 'disks', label: 'Disks', icon: '▤' },
-  { id: 'space', label: 'Space', icon: '▧' },
+  { id: 'usage', label: 'Usage', icon: '▧' },
   { id: 'files', label: 'Files', icon: FolderIcon },
   { id: 'alerts', label: 'Alerts', icon: BellIcon },
   { id: 'machines', label: 'Machines', icon: '⌂' },
@@ -66,16 +66,21 @@ const GROUPS: Group[] = [
   { id: 'settings', label: 'Settings', icon: '⚙' },
 ]
 
-type View = 'terminal' | 'widgets' | 'docker' | 'alerts' | 'services' | 'cron' | 'updates' | 'disks' | 'space' | 'files' | 'procs' | 'machines' | 'users' | 'settings'
-const VIEWS: View[] = ['terminal', 'widgets', 'docker', 'alerts', 'services', 'cron', 'updates', 'disks', 'space', 'files', 'procs', 'machines', 'users', 'settings']
+type View = 'terminal' | 'widgets' | 'docker' | 'alerts' | 'services' | 'jobs' | 'updates' | 'disks' | 'usage' | 'files' | 'procs' | 'machines' | 'users' | 'settings'
+const VIEWS: View[] = ['terminal', 'widgets', 'docker', 'alerts', 'services', 'jobs', 'updates', 'disks', 'usage', 'files', 'procs', 'machines', 'users', 'settings']
 const HUB_ONLY: View[] = ['machines', 'users', 'settings', 'alerts']
 
 // URL hash is the source of truth for where you are: #/<machine|hub>/<view>. Back and
 // forward work, reload restores the tab, and links can point at a page on a machine.
+// Pages that were renamed, so a link or a bookmark made before it still lands where it meant.
+const RENAMED_VIEWS: Record<string, View> = { space: 'usage', cron: 'jobs', top: 'procs', dashboard: 'procs' }
+
 function parseHash(): { machine: string | null; view: View } | null {
   const m = location.hash.match(/^#\/([a-z0-9-]+)\/([a-z]+)(?:\/.*)?$/) // anything after the page is that page's own selection
-  if (!m || !VIEWS.includes(m[2] as View)) return null
-  return { machine: m[1] === 'hub' ? null : m[1], view: m[2] as View }
+  if (!m) return null
+  const view = VIEWS.includes(m[2] as View) ? (m[2] as View) : RENAMED_VIEWS[m[2]]
+  if (!view) return null
+  return { machine: m[1] === 'hub' ? null : m[1], view }
 }
 
 function fmtUptime(s: number): string {
@@ -262,14 +267,14 @@ export default function Shell({ me: hubMe, onLoggedOut }: { me: Me; onLoggedOut:
         <main className="main" key={machine ?? 'hub'}>
           {view === 'settings' && <Settings me={hubMe} />}
           {view === 'users' && <Users me={hubMe} />}
-          {view === 'space' && <Space key={machine ?? ''} />}
+          {view === 'usage' && <Usage key={machine ?? ''} />}
           {view === 'machines' && <Machines hub={hubMe} onChanged={loadMachines} onOpen={(n) => { switchMachine(n); setView('procs') }} />}
           {view === 'widgets' && <Gallery />}
           {view === 'docker' && <Docker />}
           {view === 'alerts' && <Alerts machines={machines.map((m) => m.name)} titleOf={(n) => titleOf(n === hubMe.host ? null : n, machines, hubMe.host)} />}
           {view === 'procs' && <Top />}
           {view === 'services' && <Services />}
-          {view === 'cron' && <Cron />}
+          {view === 'jobs' && <Jobs />}
           {view === 'updates' && <Updates />}
           {view === 'disks' && <Disks />}
           {view === 'files' && <Files onOpenInTerminal={runInTerminal} />}
@@ -298,7 +303,7 @@ export default function Shell({ me: hubMe, onLoggedOut }: { me: Me; onLoggedOut:
         <span>{machine ? `${title} · ` : ''}{me.version.startsWith('v') ? me.version : 'v' + me.version}</span>
         <span>up {fmtUptime(me.uptime)}</span>
         <span className="spacer" />
-        <span className="muted">{view === 'widgets' ? 'Widgets' : view === 'docker' ? 'Docker' : view === 'alerts' ? 'Alerts' : view === 'services' ? 'Services' : view === 'cron' ? 'Cron' : view === 'updates' ? 'Updates' : view === 'disks' ? 'Disks' : view === 'space' ? 'Space' : view === 'files' ? 'Files' : view === 'procs' ? 'Processes' : view === 'machines' ? 'Machines' : view === 'users' ? 'Users' : view === 'settings' ? 'Settings' : activeTerm ? activeTerm.name : ''}</span>
+        <span className="muted">{view === 'widgets' ? 'Widgets' : view === 'docker' ? 'Docker' : view === 'alerts' ? 'Alerts' : view === 'services' ? 'Services' : view === 'jobs' ? 'Jobs' : view === 'updates' ? 'Updates' : view === 'disks' ? 'Disks' : view === 'usage' ? 'Usage' : view === 'files' ? 'Files' : view === 'procs' ? 'Processes' : view === 'machines' ? 'Machines' : view === 'users' ? 'Users' : view === 'settings' ? 'Settings' : activeTerm ? activeTerm.name : ''}</span>
       </footer>
     </div>
   )
diff --git a/web/src/Space.tsx b/web/src/Usage.tsx
similarity index 99%
rename from web/src/Space.tsx
rename to web/src/Usage.tsx
index 1eaea1f..564d8a9 100644
--- a/web/src/Space.tsx
+++ b/web/src/Usage.tsx
@@ -1,4 +1,5 @@
-// Space: what is using a disk, WizTree-style. Pick a disk, scan it (a parallel walk of every
+// Usage: what is using a disk, WizTree-style. (The tab was called Space until 2026-09-24;
+// the Go package and the /api/space endpoints behind it still carry the old name.) Pick a disk, scan it (a parallel walk of every
 // filesystem the disk backs, as root when the host allows), then read the result two ways:
 // a tree of folders largest-first, and a treemap of whatever folder is selected, where every
 // file is a tile sized by what it takes on disk and coloured by what kind of thing it is.
@@ -45,10 +46,10 @@ const ago = (iso?: string) => {
 const fmtDur = (a: string, b?: string) => { const ms = (b ? new Date(b).getTime() : Date.now()) - new Date(a).getTime(); return ms < 1000 ? `${ms} ms` : ms < 60000 ? `${(ms / 1000).toFixed(1)} s` : `${Math.floor(ms / 60000)} min ${Math.round((ms % 60000) / 1000)} s` }
 const parentOf = (p: string) => (p === '/' ? '/' : p.slice(0, p.lastIndexOf('/')) || '/')
 
-export default function Space() {
+export default function Usage() {
   const [targets, setTargets] = useState<SpaceTarget[] | null>(null)
   const [err, setErr] = useState('')
-  const [sel, setSel] = useHashSel('space')
+  const [sel, setSel] = useHashSel('usage')
   const [tab, setTab] = useState<'tree' | 'files'>('tree')
   const rate = useRefreshMs()
 
diff --git a/web/src/railorder.ts b/web/src/railorder.ts
index 297e4fb..7ccfd41 100644
--- a/web/src/railorder.ts
+++ b/web/src/railorder.ts
@@ -5,8 +5,25 @@ import { useEffect, useState } from 'react'
 
 const KEY = 'hamlab.rail'
 
+// Pages that were renamed, so an order saved before it still puts the page where it was put:
+// Top became Processes, Space became Usage, Cron became Jobs. A page that was removed
+// outright (Dashboard) is not here — orderBy drops ids that match no page.
+const RENAMED: Record<string, string> = { top: 'procs', space: 'usage', cron: 'jobs' }
+
 export function getRailOrder(): string[] {
-  try { const v = JSON.parse(localStorage.getItem(KEY) ?? '[]'); return Array.isArray(v) ? v.filter((x) => typeof x === 'string') : [] } catch { return [] }
+  let raw: unknown
+  try { raw = JSON.parse(localStorage.getItem(KEY) ?? '[]') } catch { return [] }
+  if (!Array.isArray(raw)) return []
+  const seen = new Set<string>()
+  const out: string[] = []
+  for (const x of raw) {
+    if (typeof x !== 'string') continue
+    const id = RENAMED[x] ?? x
+    if (seen.has(id)) continue // a merged page keeps the earlier of the two slots
+    seen.add(id)
+    out.push(id)
+  }
+  return out
 }
 
 export function setRailOrder(ids: string[], save = true) {