diff --git a/cmd/arc_summary/arc_summary3 b/cmd/arc_summary/arc_summary3
index fc5e1e4b64c1..d33271438498 100755
--- a/cmd/arc_summary/arc_summary3
+++ b/cmd/arc_summary/arc_summary3
@@ -43,7 +43,7 @@ import subprocess
 import sys
 import time
 
-DECRIPTION = 'Print ARC and other statistics for ZFS on Linux'
+DESCRIPTION = 'Print ARC and other statistics for ZFS on Linux'
 INDENT = ' '*8
 LINE_LENGTH = 72
 PROC_PATH = '/proc/spl/kstat/zfs/'
@@ -65,7 +65,7 @@ SECTION_PATHS = {'arc': 'arcstats',
                  'zfetch': 'zfetchstats',
                  'zil': 'zil'}
 
-parser = argparse.ArgumentParser(description=DECRIPTION)
+parser = argparse.ArgumentParser(description=DESCRIPTION)
 parser.add_argument('-a', '--alternate', action='store_true', default=False,
                     help='use alternate formatting for tunables and SPL',
                     dest='alt')
@@ -284,7 +284,7 @@ def get_spl_tunables(PATH):
 
 
 def get_descriptions(request):
-    """Get the decriptions of the Solaris Porting Layer (SPL) or the
+    """Get the descriptions of the Solaris Porting Layer (SPL) or the
     tunables, return with minimal formatting.
     """
 
@@ -708,7 +708,7 @@ def section_l2arc(kstats_dict):
 
 def section_spl(*_):
     """Print the SPL parameters, if requested with alternative format
-    and/or decriptions. This does not use kstats.
+    and/or descriptions. This does not use kstats.
     """
 
     spls = get_spl_tunables(SPL_PATH)
@@ -725,7 +725,7 @@ def section_spl(*_):
             try:
                 print(INDENT+'#', descriptions[key])
             except KeyError:
-                print(INDENT+'# (No decription found)')  # paranoid
+                print(INDENT+'# (No description found)')  # paranoid
 
         print(format_raw_line(key, value))
 
@@ -734,7 +734,7 @@ def section_spl(*_):
 
 def section_tunables(*_):
     """Print the tunables, if requested with alternative format and/or
-    decriptions. This does not use kstasts.
+    descriptions. This does not use kstasts.
     """
 
     tunables = get_spl_tunables(TUNABLES_PATH)
@@ -751,7 +751,7 @@ def section_tunables(*_):
             try:
                 print(INDENT+'#', descriptions[key])
             except KeyError:
-                print(INDENT+'# (No decription found)')  # paranoid
+                print(INDENT+'# (No description found)')  # paranoid
 
         print(format_raw_line(key, value))
 
diff --git a/cmd/arcstat/Makefile.am b/cmd/arcstat/Makefile.am
index 462e9a6197a8..2d59faa9c87d 100644
--- a/cmd/arcstat/Makefile.am
+++ b/cmd/arcstat/Makefile.am
@@ -1,7 +1,7 @@
 dist_bin_SCRIPTS = arcstat
 
 #
-# The arcstat script is compatibile with both Python 2.6 and 3.4.
+# The arcstat script is compatible with both Python 2.6 and 3.4.
 # As such the python 3 shebang can be replaced at install time when
 # targeting a python 2 system.  This allows us to maintain a single
 # version of the source.
diff --git a/cmd/dbufstat/Makefile.am b/cmd/dbufstat/Makefile.am
index 968a7607797f..06923d38b2e8 100644
--- a/cmd/dbufstat/Makefile.am
+++ b/cmd/dbufstat/Makefile.am
@@ -1,7 +1,7 @@
 dist_bin_SCRIPTS = dbufstat
 
 #
-# The dbufstat script is compatibile with both Python 2.6 and 3.4.
+# The dbufstat script is compatible with both Python 2.6 and 3.4.
 # As such the python 3 shebang can be replaced at install time when
 # targeting a python 2 system.  This allows us to maintain a single
 # version of the source.
diff --git a/cmd/fsck_zfs/fsck.zfs b/cmd/fsck_zfs/fsck.zfs
index f1685db6527b..129a7f39c388 100755
--- a/cmd/fsck_zfs/fsck.zfs
+++ b/cmd/fsck_zfs/fsck.zfs
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# fsck.zfs: A fsck helper to accomidate distributions that expect
+# fsck.zfs: A fsck helper to accommodate distributions that expect
 # to be able to execute a fsck on all filesystem types.  Currently
 # this script does nothing but it could be extended to act as a
 # compatibility wrapper for 'zpool scrub'.
diff --git a/cmd/vdev_id/vdev_id b/cmd/vdev_id/vdev_id
index 3796ab4885d8..a79aed3b5d82 100755
--- a/cmd/vdev_id/vdev_id
+++ b/cmd/vdev_id/vdev_id
@@ -102,7 +102,7 @@ Usage: vdev_id [-h]
        vdev_id <-d device> [-c config_file] [-p phys_per_port]
                [-g sas_direct|sas_switch|scsi] [-m]
 
-  -c    specify name of alernate config file [default=$CONFIG]
+  -c    specify name of an alternative config file [default=$CONFIG]
   -d    specify basename of device (i.e. sda)
   -e    Create enclose device symlinks only (/dev/by-enclosure)
   -g    Storage network topology [default="$TOPOLOGY"]
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index e05323f0aa54..a6368c67d4d7 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -5391,7 +5391,7 @@ zdb_set_skip_mmp(char *target)
  * the name of the target pool.
  *
  * Note that the checkpointed state's pool name will be the name of
- * the original pool with the above suffix appened to it. In addition,
+ * the original pool with the above suffix appended to it. In addition,
  * if the target is not a pool name (e.g. a path to a dataset) then
  * the new_path parameter is populated with the updated path to
  * reflect the fact that we are looking into the checkpointed state.
diff --git a/cmd/zed/agents/fmd_api.c b/cmd/zed/agents/fmd_api.c
index ae90a322cf90..607b387ca3a8 100644
--- a/cmd/zed/agents/fmd_api.c
+++ b/cmd/zed/agents/fmd_api.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * This file imlements the minimal FMD module API required to support the
+ * This file implements the minimal FMD module API required to support the
  * fault logic modules in ZED. This support includes module registration,
  * memory allocation, module property accessors, basic case management,
  * one-shot timers and SERD engines.
diff --git a/cmd/zed/agents/fmd_serd.c b/cmd/zed/agents/fmd_serd.c
index 043552862e82..d4ec37fb7691 100644
--- a/cmd/zed/agents/fmd_serd.c
+++ b/cmd/zed/agents/fmd_serd.c
@@ -281,7 +281,7 @@ fmd_serd_eng_empty(fmd_serd_eng_t *sgp)
 void
 fmd_serd_eng_reset(fmd_serd_eng_t *sgp)
 {
-	serd_log_msg("  SERD Engine: reseting %s", sgp->sg_name);
+	serd_log_msg("  SERD Engine: resetting %s", sgp->sg_name);
 
 	while (sgp->sg_count != 0)
 		fmd_serd_eng_discard(sgp, list_head(&sgp->sg_list));
diff --git a/cmd/zed/agents/zfs_mod.c b/cmd/zed/agents/zfs_mod.c
index 6d3e7cb11250..d980794d0a57 100644
--- a/cmd/zed/agents/zfs_mod.c
+++ b/cmd/zed/agents/zfs_mod.c
@@ -157,7 +157,7 @@ zfs_unavail_pool(zpool_handle_t *zhp, void *data)
  * 1. physical match with no fs, no partition
  *	tag it top, partition disk
  *
- * 2. physical match again, see partion and tag
+ * 2. physical match again, see partition and tag
  *
  */
 
@@ -674,7 +674,7 @@ zfs_deliver_add(nvlist_t *nvl, boolean_t is_lofi)
 	    devid, devpath ? devpath : "NULL", is_slice);
 
 	/*
-	 * Iterate over all vdevs looking for a match in the folllowing order:
+	 * Iterate over all vdevs looking for a match in the following order:
 	 * 1. ZPOOL_CONFIG_DEVID (identifies the unique disk)
 	 * 2. ZPOOL_CONFIG_PHYS_PATH (identifies disk physical location).
 	 *
@@ -892,7 +892,7 @@ zfs_enum_pools(void *arg)
  *
  * sent messages from zevents or udev monitor
  *
- * For now, each agent has it's own libzfs instance
+ * For now, each agent has its own libzfs instance
  */
 int
 zfs_slm_init()
diff --git a/cmd/zed/zed.d/statechange-led.sh b/cmd/zed/zed.d/statechange-led.sh
index 6484b79592aa..e656e125d378 100755
--- a/cmd/zed/zed.d/statechange-led.sh
+++ b/cmd/zed/zed.d/statechange-led.sh
@@ -20,7 +20,7 @@
 #
 # Exit codes:
 #   0: enclosure led successfully set
-#   1: enclosure leds not not available
+#   1: enclosure leds not available
 #   2: enclosure leds administratively disabled
 #   3: The led sysfs path passed from ZFS does not exist
 #   4: $ZPOOL not set
@@ -68,7 +68,7 @@ check_and_set_led()
 	# timeout.
 	for _ in $(seq 1 5); do
 		# We want to check the current state first, since writing to the
-		# 'fault' entry always always causes a SES command, even if the
+		# 'fault' entry always causes a SES command, even if the
 		# current state is already what you want.
 		current=$(cat "${file}")
 
diff --git a/cmd/zfs/zfs_main.c b/cmd/zfs/zfs_main.c
index 53b76e25d6a6..e6b5978259d6 100644
--- a/cmd/zfs/zfs_main.c
+++ b/cmd/zfs/zfs_main.c
@@ -8061,7 +8061,7 @@ zfs_do_change_key(int argc, char **argv)
  * 4) zfs project [-p id] [-r] [-s] <file|directory ...>
  *    Set project ID and/or inherit flag on the file(s) or directories.
  *    -p: Set the project ID as the given id.
- *    -r: Set on subdirectorie recursively. If not specify "-p" option,
+ *    -r: Set on subdirectories recursively. If not specify "-p" option,
  *	  it will use top-level directory's project ID as the given id,
  *	  then set both project ID and inherit flag on all descendants
  *	  of the top-level directory.
diff --git a/cmd/zinject/translate.c b/cmd/zinject/translate.c
index 700961b06a3c..d4795d07110f 100644
--- a/cmd/zinject/translate.c
+++ b/cmd/zinject/translate.c
@@ -176,7 +176,7 @@ object_from_path(const char *dataset, uint64_t object, zinject_record_t *record)
 }
 
 /*
- * Intialize the range based on the type, level, and range given.
+ * Initialize the range based on the type, level, and range given.
  */
 static int
 initialize_range(err_type_t type, int level, char *range,
@@ -310,7 +310,7 @@ translate_record(err_type_t type, const char *object, const char *range,
 	ziprintf("raw object: %llu\n", record->zi_object);
 
 	/*
-	 * For the given object, intialize the range in bytes
+	 * For the given object, initialize the range in bytes
 	 */
 	if (initialize_range(type, level, (char *)range, record) != 0)
 		goto err;
diff --git a/cmd/zpool/zpool_vdev.c b/cmd/zpool/zpool_vdev.c
index 52c696816f73..ef2a30996e53 100644
--- a/cmd/zpool/zpool_vdev.c
+++ b/cmd/zpool/zpool_vdev.c
@@ -438,7 +438,7 @@ check_disk(const char *path, blkid_cache cache, int force,
 	}
 
 	/*
-	 * Expected to fail for non-EFI labled disks.  Just check the device
+	 * Expected to fail for non-EFI labeled disks.  Just check the device
 	 * as given and do not attempt to detect and scan partitions.
 	 */
 	err = efi_alloc_and_read(fd, &vtoc);
@@ -1867,7 +1867,7 @@ make_root_vdev(zpool_handle_t *zhp, nvlist_t *props, int force, int check_rep,
 	}
 
 	/*
-	 * Validate each device to make sure that its not shared with another
+	 * Validate each device to make sure that it's not shared with another
 	 * subsystem.  We do this even if 'force' is set, because there are some
 	 * uses (such as a dedicated dump device) that even '-f' cannot
 	 * override.
diff --git a/cmd/zstreamdump/zstreamdump.c b/cmd/zstreamdump/zstreamdump.c
index 5f2813ce603f..4c996ae554c4 100644
--- a/cmd/zstreamdump/zstreamdump.c
+++ b/cmd/zstreamdump/zstreamdump.c
@@ -197,7 +197,7 @@ print_block(char *buf, int length)
 }
 
 /*
- * Print an array of bytes to stdout as hexidecimal characters. str must
+ * Print an array of bytes to stdout as hexadecimal characters. str must
  * have buf_len * 2 + 1 bytes of space.
  */
 static void
diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c
index 01421e85bf0a..24ea49c10adc 100644
--- a/cmd/ztest/ztest.c
+++ b/cmd/ztest/ztest.c
@@ -74,7 +74,7 @@
  *
  * To turn this into an overnight stress test, use -T to specify run time.
  *
- * You can ask more more vdevs [-v], datasets [-d], or threads [-t]
+ * You can ask more vdevs [-v], datasets [-d], or threads [-t]
  * to increase the pool capacity, fanout, and overall stress level.
  *
  * Use the -k option to set the desired frequency of kills.