diff --git a/src/cmd/ksh93/bltins/regress.c b/src/cmd/ksh93/bltins/regress.c
index 25f3c2517..6dbb26b62 100644
--- a/src/cmd/ksh93/bltins/regress.c
+++ b/src/cmd/ksh93/bltins/regress.c
@@ -91,7 +91,7 @@ USAGE_LICENSE
             "\aoriginal-euid\a.]"
     "}"
 "[103:p_suid?Specifies a value for SHOPT_P_SUID. Effective uids greater "
-    "than the non-privileged-uid disable the priveleged mode. The intercepts "
+    "than the non-privileged-uid disable the privileged mode. The intercepts "
     "are:]#?[non-privileged-uid:=1]"
     "{"
         "[+SHOPT_P_SUID?The SHOPT_P_SUID macro value is overridden by "
diff --git a/src/cmd/ksh93/data/builtins.c b/src/cmd/ksh93/data/builtins.c
index 31dbf39e6..59b567235 100644
--- a/src/cmd/ksh93/data/builtins.c
+++ b/src/cmd/ksh93/data/builtins.c
@@ -206,7 +206,7 @@ const char sh_set[] =
 	"invoked with a \b+\b the options will be written in a format "
 	"that can be reinput to the shell to restore the settings. "
 	"Options \b-o\b \aname\a can also be specified with \b--\b\aname\a "
-	"and \b+o \aname\a can be specifed with \b--no\b\aname\a  except that "
+	"and \b+o \aname\a can be specified with \b--no\b\aname\a  except that "
 	"options names beginning with \bno\b are turned on by omitting \bno\b."
 	"This option can be repeated to enable/disable multiple options. "
 	"The value of \aoption\a must be one of the following:]{"
@@ -968,12 +968,12 @@ USAGE_LICENSE
 "[+?If \afirst\a is specified and \alast\a is omitted, then \alast\a will "
 	"default to \afirst\a unless \b-l\b is specified in which case "
 	"it will default to \b-1\b.]"
-"[+?If no editor is specified, then the editor specfied by the \bHISTEDIT\b "
+"[+?If no editor is specified, then the editor specified by the \bHISTEDIT\b "
 	"variable will be used if set, or the \bFCEDIT\b variable will be "
 	"used if set, otherwise, \bed\b will be used.]"
 "[e]:[editor?\aeditor\a specifies the editor to use to edit the history "
 	"command.   A value of \b-\b for \aeditor\a is equivalent to "
-	"specifiying the \b-s\b option.]"
+	"specifying the \b-s\b option.]"
 "[l?List the commands rather than editing and reexecuting them.]"
 "[N]#[num?Start at \anum\a commands back.]" 
 "[n?Suppress the command numbers when the commands are listed.]"
@@ -1196,9 +1196,9 @@ USAGE_LICENSE
 	"[+-?The escape sequence \b\\C[.\b\aname\a\b.]]\b expands to "
 		"the collating element \aname\a.]"
 	"[+-?The escape sequence \b\\x{\b\ahex\a\b}\b expands to the "
-		"character corresponding to the hexidecimal value \ahex\a.]"
+		"character corresponding to the hexadecimal value \ahex\a.]"
 	"[+-?The escape sequence \b\\u{\b\ahex\a\b}\b expands to the unicode "
-		"character corresponding to the hexidecimal value \ahex\a.]"
+		"character corresponding to the hexadecimal value \ahex\a.]"
 	"[+-?The format modifier flag \b=\b can be used to center a field to "
 		"a specified width.]"
 	"[+-?The format modifier flag \bL\b can be used with the \bc\b and "
@@ -1383,7 +1383,7 @@ USAGE_LICENSE
 	"will be set to this value.  If there is no file with this pathname, "
 	"and this pathame does not contain a \b/\b, then the \bPATH\b "
 	"will be searched for an executable with this name.  Any remaining "
-	"\aarg\as will be used to initialize the positional parmaeters.]"
+	"\aarg\as will be used to initialize the positional parameters.]"
 "[+?Any option can use a \b+\b instead of a \b-\b to disable the corresponding "
 	"option.]"
 "[c?Read the commands from the first \aarg\a.]"
@@ -1654,7 +1654,7 @@ USAGE_LICENSE
 "[l?Without \b-i\b, sets character mapping to \btolower\b. When used "
 	"with \b-i\b, \b-E\b, or \b-F\b indicates long variant.]"
 "[m?Move.  The value is the name of a variable whose value will be "
-	"moved to \aname\a.  The orignal variable will be unset.  Cannot be "
+	"moved to \aname\a.  The original variable will be unset.  Cannot be "
 	"used with any other options.]"
 "[n?Name reference.  The value is the name of a variable that \aname\a "
 	"references.  \aname\a cannot contain a \b.\b.  Cannot be use with "
diff --git a/src/cmd/ksh93/sh/bash.c b/src/cmd/ksh93/sh/bash.c
index fd2f3a14a..8e960a765 100644
--- a/src/cmd/ksh93/sh/bash.c
+++ b/src/cmd/ksh93/sh/bash.c
@@ -43,7 +43,7 @@ extern const char	bash_pre_rc[];
 static char *login_files[4];
 
 const char sh_bash1[] =
-	"[B?Enable brace group expansion. This option is only availabe in bash "
+	"[B?Enable brace group expansion. This option is only available in bash "
 	"compatibility mode. In ksh mode, brace group expansion is always on.]"
 	"[P?Do not follow symbolic links, use physical directory structure "
 	"instead. Only available in bash compatibility mode.]";
diff --git a/src/cmd/ksh93/tests/arith.sh b/src/cmd/ksh93/tests/arith.sh
index 0dfea0e08..288b4c5ab 100755
--- a/src/cmd/ksh93/tests/arith.sh
+++ b/src/cmd/ksh93/tests/arith.sh
@@ -312,7 +312,7 @@ typeset -ui42 x=50
 if	[[ $x != 42#18 ]]
 then	err_exit 'display of unsigned integers in non-decimal bases wrong'
 fi
-$SHELL -c 'i=0;(( ofiles[i] != -1 && (ofiles[i] < mins || mins == -1) ));exit 0' 2> /dev/null || err_exit 'lexical error with arithemtic expression'
+$SHELL -c 'i=0;(( ofiles[i] != -1 && (ofiles[i] < mins || mins == -1) ));exit 0' 2> /dev/null || err_exit 'lexical error with arithmetic expression'
 $SHELL -c '(( +1 == 1))' 2> /dev/null || err_exit 'unary + not working'
 typeset -E20 val=123.01234567890
 [[ $val == 123.0123456789 ]] || err_exit "rounding error val=$val"
@@ -664,7 +664,7 @@ done
 [[ $($SHELL 2> /dev/null -c 'print -- $(( ldexp(1, 4) ))' ) == 16 ]] || err_exit 'function ldexp not implement or not working correctly'
 
 
-$SHELL 2> /dev/null -c 'str="0x1.df768ed398ee1e01329a130627ae0000p-1";typeset -l -E x;((x=str))' || err_exit '((x=var)) fails for hexfloat with var begining with 0x1.nnn'
+$SHELL 2> /dev/null -c 'str="0x1.df768ed398ee1e01329a130627ae0000p-1";typeset -l -E x;((x=str))' || err_exit '((x=var)) fails for hexfloat with var beginning with 0x1.nnn'
 
 x=(3 6 12)
 (( x[2] /= x[0]))
diff --git a/src/cmd/ksh93/tests/arrays.sh b/src/cmd/ksh93/tests/arrays.sh
index e9b5ce95c..7845f7352 100755
--- a/src/cmd/ksh93/tests/arrays.sh
+++ b/src/cmd/ksh93/tests/arrays.sh
@@ -314,7 +314,7 @@ integer i
 for ((i=0; i < 40; i++))
 do	x[i]=$i
 done
-[[  ${#x[@]} == 40 ]] || err_exit 'index arrays loosing values'
+[[  ${#x[@]} == 40 ]] || err_exit 'index arrays losing values'
 [[ $( ($SHELL -c 'typeset -A var; (IFS=: ; set -A var a:b:c ;print ${var[@]});:' )2>/dev/null) == 'a b c' ]] || err_exit 'change associative to index failed'
 unset foo
 [[ $(foo=good
diff --git a/src/cmd/ksh93/tests/arrays2.sh b/src/cmd/ksh93/tests/arrays2.sh
index 3d5fe1b95..ff9e21f64 100755
--- a/src/cmd/ksh93/tests/arrays2.sh
+++ b/src/cmd/ksh93/tests/arrays2.sh
@@ -163,7 +163,7 @@ done
 [[ ${#ar[*]} == 9 ]] || err_exit  "\${#ar[*]} is '${#ar[*]}', should be 9"
 [[ ${ar[4][4]} == 40 ]] || err_exit "ar[4][4] is '${ar[4][4]}', should be 40"
 
-$SHELL 2> /dev/null -c 'compound c;float -a c.ar;(( c.ar[2][3][3] = 5))' || 'multi-dimensional arrays in arithemtic expressions not working'
+$SHELL 2> /dev/null -c 'compound c;float -a c.ar;(( c.ar[2][3][3] = 5))' || 'multi-dimensional arrays in arithmetic expressions not working'
 
 expected='typeset -a -l -E c.ar=([2]=([3]=([3]=5) ) )'
 unset c
diff --git a/src/cmd/ksh93/tests/attributes.sh b/src/cmd/ksh93/tests/attributes.sh
index feca411e7..fdf79e54e 100755
--- a/src/cmd/ksh93/tests/attributes.sh
+++ b/src/cmd/ksh93/tests/attributes.sh
@@ -182,8 +182,8 @@ typeset -b x=$b1
 typeset -b -Z5 a=$b1
 [[  $(printf "%B" a) == $w1 ]] || err_exit 'typeset -b -Z5 not working'
 typeset -b q=$x$x
-[[ $q == $b2 ]] || err_exit 'typeset -b not working with concatination'
-[[  $(printf "%B" q) == $t1$t1 ]] || err_exit 'typeset -b concatination not working'
+[[ $q == $b2 ]] || err_exit 'typeset -b not working with concatenation'
+[[  $(printf "%B" q) == $t1$t1 ]] || err_exit 'typeset -b concatenation not working'
 x+=$b1
 [[ $x == $b2 ]] || err_exit 'typeset -b not working with append'
 [[  $(printf "%B" x) == $t1$t1 ]] || err_exit 'typeset -b append not working'
diff --git a/src/cmd/ksh93/tests/basic.sh b/src/cmd/ksh93/tests/basic.sh
index 1cab8e00b..4613baee2 100755
--- a/src/cmd/ksh93/tests/basic.sh
+++ b/src/cmd/ksh93/tests/basic.sh
@@ -223,7 +223,7 @@ exec 9>& 1
 exec 1>&-
 x=$(print hello)
 if	[[ $x != hello ]]
-then	err_exit "command subsitution with stdout closed failed"
+then	err_exit "command substitution with stdout closed failed"
 fi
 exec >& 9
 cd $pwd
diff --git a/src/cmd/ksh93/tests/builtins.sh b/src/cmd/ksh93/tests/builtins.sh
index 1d24904e7..3b191546c 100755
--- a/src/cmd/ksh93/tests/builtins.sh
+++ b/src/cmd/ksh93/tests/builtins.sh
@@ -525,7 +525,7 @@ $SHELL -c "( sleep 1; kill -ALRM \$\$ ) & sleep $del" 2> /dev/null
 exitval=$?
 (( sec = SECONDS - sec ))
 exec 2>&3-
-(( exitval )) && err_exit "sleep doesn't exit 0 with ALRM interupt"
+(( exitval )) && err_exit "sleep doesn't exit 0 with ALRM interrupt"
 (( sec > (del - 1) )) || err_exit "ALRM signal causes sleep to terminate prematurely -- expected 3 sec, got $sec"
 typeset -r z=3
 y=5
diff --git a/src/cmd/ksh93/tests/comvar.sh b/src/cmd/ksh93/tests/comvar.sh
index 0084566f3..cc60ba29c 100755
--- a/src/cmd/ksh93/tests/comvar.sh
+++ b/src/cmd/ksh93/tests/comvar.sh
@@ -63,7 +63,7 @@ unset x
 typeset -A x
 x=( [foo]=bar )
 if	[[ ${x[@]} != bar ]]
-then	err_exit 'compound assignemnt of associative arrays not working'
+then	err_exit 'compound assignment of associative arrays not working'
 fi
 unset -n foo x
 unset foo x
@@ -424,7 +424,7 @@ data.samples+=(
 
 [[ $data == %(()) ]] || err_exit "unbalanced parenthesis with compound variable containing array of compound variables"
 typeset -C  -A hello=( [foo]=bar)
-[[ $(typeset -p hello) == 'typeset -C -A hello=([foo]=bar)' ]] || err_exit 'typeset -A -C with intial assignment not working'
+[[ $(typeset -p hello) == 'typeset -C -A hello=([foo]=bar)' ]] || err_exit 'typeset -A -C with initial assignment not working'
 # this caused a core dump before ksh93t+
 [[ $($SHELL -c 'foo=(x=3 y=4);function bar { typeset z=4;: $z;};bar;print ${!foo.@}') == 'foo.x foo.y' ]] 2> /dev/null || err_exit '${!foo.@} after function not working'
 
@@ -536,7 +536,7 @@ compound x=(
 	integer a=1
 	compound b=cpv1 
 ) 
-[[ $x == *f=2* ]] ||  err_exit "The field b containg 'f=2' is missing"
+[[ $x == *f=2* ]] ||  err_exit "The field b containing 'f=2' is missing"
 
 unset x
 compound x=(
@@ -602,12 +602,12 @@ expected=$'(\n\t[0]=(\n\t\ta=1\n\t)\n\t[1]=(\n\t\tb=2\n\t)\n)'
 
 compound -a x=( [0]=(a=1) [1]=(b=2) )
 typeset -m "z=x[1]"
-[[ $(typeset -p z 2>/dev/null) == 'typeset -C z=(b=2)' ]] || err_exit 'typeset -m not working with commpound -a variable'
+[[ $(typeset -p z 2>/dev/null) == 'typeset -C z=(b=2)' ]] || err_exit 'typeset -m not working with compound -a variable'
 
 unset x z
 compound -A x=( [0]=(a=1) [1]=(b=2) )
 typeset -m "z=x[1]"
-[[ $(typeset -p z 2>/dev/null) == 'typeset -C z=(b=2)' ]] || err_exit 'typeset -m not working with commpound -a variable'
+[[ $(typeset -p z 2>/dev/null) == 'typeset -C z=(b=2)' ]] || err_exit 'typeset -m not working with compound -a variable'
 typeset -m "x[1]=x[0]"
 typeset -m "x[0]=z"
 exp='([0]=(b=2) [1]=(a=1))'
diff --git a/src/cmd/ksh93/tests/expand.sh b/src/cmd/ksh93/tests/expand.sh
index 2547be8aa..123698cd5 100755
--- a/src/cmd/ksh93/tests/expand.sh
+++ b/src/cmd/ksh93/tests/expand.sh
@@ -111,9 +111,9 @@ done
 set -- ~(N)/dev/null
 [[ $# == 1 && $1 == /dev/null ]] || err_exit "~(N)/dev/null not matching /dev/null"
 set -- ~(N)/dev/non_existant_file
-[[ $# == 0  ]] || err_exit "~(N)/dev/nonexistant not empty"
+[[ $# == 0  ]] || err_exit "~(N)/dev/nonexistent not empty"
 set -- ""~(N)/dev/non_existant_file
-[[ $# == 1  && ! $1 ]] || err_exit '""~(N)/dev/nonexistant not null argument'
+[[ $# == 1  && ! $1 ]] || err_exit '""~(N)/dev/nonexistent not null argument'
 set -- ~(N)/dev/non_existant_file""
 [[ $# == 1  && ! $1 ]] || err_exit '~(N)/dev/nonexistent"" not null argument'
 for i in ~(N)/dev/non_existent_file
diff --git a/src/cmd/ksh93/tests/functions.sh b/src/cmd/ksh93/tests/functions.sh
index ecbc7f564..a7a607ba7 100755
--- a/src/cmd/ksh93/tests/functions.sh
+++ b/src/cmd/ksh93/tests/functions.sh
@@ -341,7 +341,7 @@ then	err_exit "export inside function not working -- expected 'fun', got '$val'"
 fi
 val=$(export | sed -e '/^zzz=/!d' -e 's/^zzz=//')
 if	[[ $val ]]
-then	err_exit "unset varaible exported after function call -- expected '', got '$val'"
+then	err_exit "unset variable exported after function call -- expected '', got '$val'"
 fi
 
 unset zzz
diff --git a/src/cmd/ksh93/tests/heredoc.sh b/src/cmd/ksh93/tests/heredoc.sh
index 61b0110d6..436b4361f 100755
--- a/src/cmd/ksh93/tests/heredoc.sh
+++ b/src/cmd/ksh93/tests/heredoc.sh
@@ -244,7 +244,7 @@ eval "$(
 EOF
 } > $script
 chmod +x $script
-[[ $($SHELL $script) == hello ]] 2> /dev/null || err_exit 'heredoc embeded in command substitution fails at buffer boundary'
+[[ $($SHELL $script) == hello ]] 2> /dev/null || err_exit 'heredoc embedded in command substitution fails at buffer boundary'
 
 got=$( cat << EOF
 \
@@ -491,7 +491,7 @@ EOF
      print EOF
 } > $f
 $SHELL $f > $g
-[[ $(grep meep $g | grep -v foobar) != '' ]] && err_exit 'here-doc loosing $var expansions on boundaries in rare cases'
+[[ $(grep meep $g | grep -v foobar) != '' ]] && err_exit 'here-doc losing $var expansions on boundaries in rare cases'
 
 print foo > $tmp/foofile
 x=$( $SHELL 2> /dev/null 'read <<< $(<'"$tmp"'/foofile) 2> /dev/null;print -r "$REPLY"')
diff --git a/src/cmd/ksh93/tests/nameref.sh b/src/cmd/ksh93/tests/nameref.sh
index 5c0a7497b..467e369ac 100755
--- a/src/cmd/ksh93/tests/nameref.sh
+++ b/src/cmd/ksh93/tests/nameref.sh
@@ -126,7 +126,7 @@ set foo
 nameref bar=$1
 foo=hello
 if	[[ $bar !=  hello ]]
-then	err_exit 'nameref of positional paramters outside of function not working'
+then	err_exit 'nameref of positional parameters outside of function not working'
 fi
 unset foo bar
 bar=123
diff --git a/src/cmd/ksh93/tests/namespace.sh b/src/cmd/ksh93/tests/namespace.sh
index 057470ada..77769a3fa 100755
--- a/src/cmd/ksh93/tests/namespace.sh
+++ b/src/cmd/ksh93/tests/namespace.sh
@@ -95,8 +95,8 @@ false
 }
 [[ $(fn) == 'global fn abc' ]] || err_exit 'fn outside namespace should run global function'
 [[ $(.x.fn) == 'local fn bar' ]] || err_exit 'namespace function called from global failed'
-[[  ${z[abc]} == qqq ]] || err_exit 'global associative array should not be affected by definiton in namespace'
-[[  ${bar.y} == 4 ]] || err_exit 'global compound variable should not be affected by definiton in namespace'
+[[  ${z[abc]} == qqq ]] || err_exit 'global associative array should not be affected by definition in namespace'
+[[  ${bar.y} == 4 ]] || err_exit 'global compound variable should not be affected by definition in namespace'
 [[  ${bar.z} == ''  ]] || err_exit 'global compound variable should not see elements in namespace'
 [[ $(xfun) ==  'xfun global abc' ]] || err_exit 'global function on FPATH failed'
 [[ $(run $foo) ==  'global prog abc' ]] || err_exit 'global binary on PATH failed'
diff --git a/src/cmd/ksh93/tests/path.sh b/src/cmd/ksh93/tests/path.sh
index 491de73d0..e7affb09f 100755
--- a/src/cmd/ksh93/tests/path.sh
+++ b/src/cmd/ksh93/tests/path.sh
@@ -380,7 +380,7 @@ PATH=$tmp/bin:$tmp/new/bin:$PATH
 x=$(whence -p echo 2> /dev/null)
 [[ $x == "$tmp/new/bin/echo" ]] ||  err_exit 'nonexistant FPATH directory in .paths file causes path search to fail'
 
-$SHELL 2> /dev/null <<- \EOF || err_exit 'path search problem with non-existant directories in PATH'
+$SHELL 2> /dev/null <<- \EOF || err_exit 'path search problem with non-existent directories in PATH'
 	PATH=/usr/nogood1/bin:/usr/nogood2/bin:/bin:/usr/bin
 	tail /dev/null && tail /dev/null
 EOF
diff --git a/src/cmd/ksh93/tests/quoting.sh b/src/cmd/ksh93/tests/quoting.sh
index 01aae0dc1..80c47b375 100755
--- a/src/cmd/ksh93/tests/quoting.sh
+++ b/src/cmd/ksh93/tests/quoting.sh
@@ -301,7 +301,7 @@ fi
 ###########################################################
 ###########################################################
 ###########################################################
-print foo) ]] || err_exit "command subsitution with long comments broken"
+print foo) ]] || err_exit "command substitution with long comments broken"
 subject='some/other/words'
 re='@(?*)/@(?*)/@(?*)'
 [[ ${subject/${re}/\3} != words ]] && err_exit 'string replacement with \3 not working'
diff --git a/src/cmd/ksh93/tests/subshell.sh b/src/cmd/ksh93/tests/subshell.sh
index a6d7475b5..5b774c242 100755
--- a/src/cmd/ksh93/tests/subshell.sh
+++ b/src/cmd/ksh93/tests/subshell.sh
@@ -594,7 +594,7 @@ dot=$(cat <<-EOF
 	EOF
 ) ) & sleep 1
 if      kill -0 $! 2> /dev/null
-then    err_exit  'command substitution containg here-doc with command substitution fails'
+then    err_exit  'command substitution containing here-doc with command substitution fails'
 fi
 
 printf=$(whence -p printf)
diff --git a/src/cmd/ksh93/tests/substring.sh b/src/cmd/ksh93/tests/substring.sh
index 197461557..d33b7f9a8 100755
--- a/src/cmd/ksh93/tests/substring.sh
+++ b/src/cmd/ksh93/tests/substring.sh
@@ -177,10 +177,10 @@ do      [[ $(eval print -r -- \"\${xx//:/\\${str:i:1}}\") == "a${str:i:1}b" ]] |
         [[ $(eval print -rn -- \"\${xx//:/\'${str:i:1}\'}\") == "a${str:i:1}b" ]] || err_exit "substitution of '${str:i:1}' failed"
         [[ $(eval print -r -- \"\${xx//:/\"${str:i:1}\"}\") == "a${str:i:1}b" ]] || err_exit "substitution of \"${str:i:1}\" failed"
 done
-[[ ${xx//:/\\n} == 'a\nb' ]]  || err_exit "substituion of \\\\n failed"
-[[ ${xx//:/'\n'} == 'a\nb' ]] || err_exit "substituion of '\\n' failed"
-[[ ${xx//:/"\n"} ==  'a\nb' ]] || err_exit "substituion of \"\\n\" failed"
-[[ ${xx//:/$'\n'} ==  $'a\nb' ]] || err_exit "substituion of \$'\\n' failed"
+[[ ${xx//:/\\n} == 'a\nb' ]]  || err_exit "substitution of \\\\n failed"
+[[ ${xx//:/'\n'} == 'a\nb' ]] || err_exit "substitution of '\\n' failed"
+[[ ${xx//:/"\n"} ==  'a\nb' ]] || err_exit "substitution of \"\\n\" failed"
+[[ ${xx//:/$'\n'} ==  $'a\nb' ]] || err_exit "substitution of \$'\\n' failed"
 unset foo
 foo=one/two/three
 if	[[ ${foo//'/'/_} != one_two_three ]]
@@ -495,8 +495,8 @@ x=$'-(-\\"\')\\\'\\"\'-)-'
 
 pattern=00
 var=100
-[[ $( print $(( ${var%%00} )) ) == 1 ]] || err_exit "arithmetic with embeddded patterns fails"
-[[ $( print $(( ${var%%$pattern} )) ) == 1 ]] || err_exit "arithmetic with embeddded pattern variables fails"
+[[ $( print $(( ${var%%00} )) ) == 1 ]] || err_exit "arithmetic with embedded patterns fails"
+[[ $( print $(( ${var%%$pattern} )) ) == 1 ]] || err_exit "arithmetic with embedded pattern variables fails"
 if	[[ ax == @(a)* ]] && [[ ${.sh.match[1]:0:${#.sh.match[1]}}  != a ]]
 then	err_exit '${.sh.match[1]:1:${#.sh.match[1]}} not expanding correctly'
 fi
diff --git a/src/cmd/ksh93/tests/types.sh b/src/cmd/ksh93/tests/types.sh
index ca2e3eca4..b0cbfc661 100755
--- a/src/cmd/ksh93/tests/types.sh
+++ b/src/cmd/ksh93/tests/types.sh
@@ -401,7 +401,7 @@ typeset -T olist=(
 )
 olist foo
 foo.l[1]=x
-[[  ${!foo.l[*]} == *0* ]] && '0-th elment of foo.l should not be set'
+[[  ${!foo.l[*]} == *0* ]] && '0-th element of foo.l should not be set'
 
 typeset -T oset2=( typeset -A foo )
 oset2 bar
diff --git a/src/lib/libcmd/chmod.c b/src/lib/libcmd/chmod.c
index beaab6722..5aad30965 100644
--- a/src/lib/libcmd/chmod.c
+++ b/src/lib/libcmd/chmod.c
@@ -36,7 +36,7 @@ USAGE_LICENSE
 	"of changes to make, or an octal number representing the bit "
 	"pattern for the new permissions.]"
 "[+?Symbolic mode strings consist of one or more comma separated list "
-	"of operations that can be perfomed on the mode. Each operation is of "
+	"of operations that can be performed on the mode. Each operation is of "
 	"the form \auser\a \aop\a \aperm\a where \auser\a is zero or more of "
 	"the following letters:]{"
 	"[+u?User permission bits.]"
diff --git a/src/lib/libcmd/head.c b/src/lib/libcmd/head.c
index 426e7db80..e5b756dfc 100644
--- a/src/lib/libcmd/head.c
+++ b/src/lib/libcmd/head.c
@@ -50,10 +50,10 @@ USAGE_LICENSE
     "\anumber\a.]"
 "[n:lines?Copy \alines\a lines from each file.]#[lines:=10]"
 "[c:bytes?Copy \achars\a bytes from each file.]#[chars]"
-"[q:quiet|silent?Never ouput filename headers.]"
+"[q:quiet|silent?Never output filename headers.]"
 "[s:skip?Skip \askip\a characters or lines from each file before "
     "copying.]#[skip]"
-"[v:verbose?Always ouput filename headers.]"
+"[v:verbose?Always output filename headers.]"
     "\n\n"
 "[ file ... ]"
     "\n\n"
diff --git a/src/lib/libcmd/mktemp.c b/src/lib/libcmd/mktemp.c
index d95f86463..ce7550404 100644
--- a/src/lib/libcmd/mktemp.c
+++ b/src/lib/libcmd/mktemp.c
@@ -35,7 +35,7 @@ USAGE_LICENSE
         "[+*?Lower case to avoid clashes on case ignorant filesystems.]"
         "[+*?Pseudo-random part to deter denial of service attacks.]"
         "[+*?Default pseudo-random part (no specific \bX...\b template) "
-            "formatted to accomodate 8.3 filesystems.]"
+            "formatted to accommodate 8.3 filesystems.]"
     "}"
 "[+?A consecutive trailing sequence of \bX\b's in \aprefix\a is replaced "
     "by the pseudo-random part. If there are no \bX\b's then the "
diff --git a/src/lib/libcmd/tail.c b/src/lib/libcmd/tail.c
index c8df4ba3b..5f26fcd96 100644
--- a/src/lib/libcmd/tail.c
+++ b/src/lib/libcmd/tail.c
@@ -64,7 +64,7 @@ USAGE_LICENSE
 "[h!:headers?Output filename headers.]"
 "[l:lines?Copy units of lines. This is the default.]"
 "[L:log?When a \b--forever\b file times out via \b--timeout\b, verify that "
-	"the curent file has not been renamed and replaced by another file "
+	"the current file has not been renamed and replaced by another file "
 	"of the same name (a common log file practice) before giving up on "
 	"the file.]"
 "[q:quiet?Don't output filename headers. For GNU compatibility.]"
@@ -86,7 +86,7 @@ USAGE_LICENSE
 		"[+y?years]"
 		"[+S?scores]"
 	"}"
-"[v:verbose?Always ouput filename headers.]"
+"[v:verbose?Always output filename headers.]"
 
 "\n"
 "\n[file ...]\n"
diff --git a/src/lib/libcmd/uname.c b/src/lib/libcmd/uname.c
index cece94ac6..a295a757b 100644
--- a/src/lib/libcmd/uname.c
+++ b/src/lib/libcmd/uname.c
@@ -35,7 +35,7 @@ USAGE_LICENSE
 "	standard output. When options are specified, one or more"
 "	system characteristics are written to standard output, space"
 "	separated, on a single line. When more than one option is specified"
-"	the output is in the order specfied by the \b-A\b option below."
+"	the output is in the order specified by the \b-A\b option below."
 "	Unsupported option values are listed as \a[option]]\a. If any unknown"
 "	options are specified then the local \b/usr/bin/uname\b is called.]"
 "[+?If any \aname\a operands are specified then the \bsysinfo\b(2) values"