Capitalize in various places where appropriate

These are mostly acronyms (CPUs; ZILs) but also proper nouns such as
"Unix" and "Unicode" which should also be capitalized.

Signed-off-by: Simon Howard <fraggle@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>

man/man4/spl.4

@@ -100,7 +100,7 @@ when exceeding this value.
 .It Sy spl_kmem_cache_magazine_size Ns = Ns Sy 0 Pq uint
 Cache magazines are an optimization designed to minimize the cost of
 allocating memory.
-They do this by keeping a per-cpu cache of recently
+They do this by keeping a per-CPU cache of recently
 freed objects, which can then be reallocated without taking a lock.
 This can improve performance on highly contended caches.
 However, because objects in magazines will prevent otherwise empty slabs
@@ -111,8 +111,8 @@ For this reason,
 can be used to set a maximum magazine size.
 When this value is set to 0 the magazine size will
 be automatically determined based on the object size.
-Otherwise magazines will be limited to 2-256 objects per magazine (i.e. per CPU).
-Magazines may never be entirely disabled in this implementation.
+Otherwise magazines will be limited to 2-256 objects per magazine (i.e. per
+CPU). Magazines may never be entirely disabled in this implementation.
 .
 .It Sy spl_hostid Ns = Ns Sy 0 Pq ulong
 The system hostid, when set this can be used to uniquely identify a system.

man/man4/zfs.4

@@ -1307,7 +1307,7 @@ This should be less than
 .Sy zfs_vdev_async_write_active_min_dirty_percent .
 .
 .It Sy zfs_wrlog_data_max Ns = Pq int
-The upper limit of write-transaction zil log data size in bytes.
+The upper limit of write-transaction ZIL log data size in bytes.
 Write operations are throttled when approaching the limit until log data is
 cleared out after transaction group sync.
 Because of some overhead, it should be set at least 2 times the size of
@@ -2408,7 +2408,7 @@ This controls the number of threads used by
 .Sy dp_zil_clean_taskq .
 The default value of
 .Sy 100%
-will create a maximum of one thread per cpu.
+will create a maximum of one thread per CPU.
 .
 .It Sy zil_maxblocksize Ns = Ns Sy 131072 Ns B Po 128 KiB Pc Pq uint
 This sets the maximum block size used by the ZIL.

man/man7/zfsprops.7

@@ -263,10 +263,10 @@ this opaque token can be provided to
 to resume and complete the
 .Nm zfs Cm receive .
 .It Sy redact_snaps
-For bookmarks, this is the list of snapshot guids the bookmark contains a
+For bookmarks, this is the list of snapshot GUIDs the bookmark contains a
 redaction
 list for.
-For snapshots, this is the list of snapshot guids the snapshot is redacted with
+For snapshots, this is the list of snapshot GUIDs the snapshot is redacted with
 respect to.
 .It Sy referenced
 The amount of data that is accessible by this dataset, which may or may not be
@@ -2098,7 +2098,7 @@ value behavior, see the "ZFS Administration Guide".
 .Sy formD Ns | Ns Sy formKC Ns | Ns Sy formKD
 .Xc
 Indicates whether the file system should perform a
-.Sy unicode
+.Sy Unicode
 normalization of file names whenever two file names are compared, and which
 normalization algorithm should be used.
 File names are always stored unmodified, names are normalized as part of any

man/man8/zfs-hold.8

@@ -88,7 +88,7 @@ listing the holds on the named snapshot.
 .It Fl H
 Do not print headers, use tab-delimited output.
 .It Fl p
-Prints holds timestamps as unix epoch timestamps.
+Prints holds timestamps as Unix epoch timestamps.
 .El
 .It Xo
 .Nm zfs

man/man8/zpool.8

@@ -535,7 +535,7 @@ The value is not used, only the presence or absence of the variable matters.
 .It Sy ZPOOL_VDEV_NAME_GUID
 Cause
 .Nm
-subcommands to output vdev guids by default.
+subcommands to output vdev GUIDs by default.
 This behavior is identical to the
 .Nm zpool Cm status Fl g
 command line option.