7 files changed, 23 insertions, 8 deletions
diff --git a/Completion/Linux/Command/_findmnt b/Completion/Linux/Command/_findmnt
index b29372c39..6155d4dc1 100644
--- a/Completion/Linux/Command/_findmnt
+++ b/Completion/Linux/Command/_findmnt
@@ -8,6 +8,7 @@
 #
 local curcontext=$curcontext state state_descr line ret=1
 typeset -A opt_args
+local -a suf dedup
 
 _arguments -s -C \
   '(H -A --all)'{-A,--all}'[print all filesystems]' \
@@ -45,6 +46,7 @@ _arguments -s -C \
   '(H)2:: :->targets' \
   + '(format)' \
   '(H)'{-D,--df}'[imitate the output of df command]' \
+  '(H)'{-I,--dfi}'[imitate the output of df with -i option]' \
   '(H)'{-J,--json}'[use JSON output format]' \
   '(H)'{-l,--list}'[use list output format]' \
   '(H)'{-P,--pairs}'[use key="value" output format]' \
@@ -55,6 +57,7 @@ _arguments -s -C \
   '(H)'{-N+,--task=}'[search /proc/<pid>/mountinfo]: :_pids' \
   '(H)'{-s,--fstab}'[search in /etc/fstab]' \
   + '(H)' \
+  '(* -)'{-H,--list-columns}'[list available columns]' \
   '(- :)'{-h,--help}'[display help text and exit]' \
   '(- :)'{-V,--version}'[display version and exit]' \
     && ret=0
@@ -66,13 +69,16 @@ __findmnt_mountpoints () {
 
 case $state in
   columns)
+    dedup=( ${(Ms.,.)${PREFIX#+}##*,} ${(Ms.,.)SUFFIX%%,*} )
+    suf=( -qS , )
+    compset -S ',*' && suf=()
     compset -P '+' || _describe -t list-prefixes prefix \
-		      '( +:"not replace but extend the list" )' -S '' && ret=0
+        '( +:"not replace but extend the list" )' -S '' && ret=0
+    compset -P '*,'
     local -a columns=(
-      ${${${(f)"$(_call_program columns findmnt -h)"}[(r)Available*,-2]}[2,-1]}
+      ${${${${(f)"$(_call_program columns findmnt --list-columns)"}## #}//:/\\:}/ <[^>]#> #/:}
     )
-    columns=( ${${${${${${columns## #}//:/\\:}//\[/\\[}//]/\\]}/  /[}/%/]} )
-    _values -s , -M 'm:{a-z}={A-Z}' column $columns && ret=0
+    _describe -t fields column columns -M 'm:{a-z}={A-Z}' $suf -F dedup && ret=0
     ;;
   *) # call "findmnt $opts" to get possible sources/targets
     local opts='-lnve'
diff --git a/Completion/Linux/Command/_free b/Completion/Linux/Command/_free
index a0da97446..376b8a21f 100644
--- a/Completion/Linux/Command/_free
+++ b/Completion/Linux/Command/_free
@@ -2,6 +2,7 @@
 
 _arguments -s \
   '(-l --lohi)'{-l,--lohi}'[show detailed low and high memory statistics]' \
+  '(-L --line)'{-L,--line}'[show output on a single line]' \
   '(-t --total)'{-t,--total}'[show total for RAM + swap]' \
   '(-v --committed)'{-v,--committed}'[show committed memory and commit limit]' \
   '(-w --wide)'{-w,--wide}'[wide mode]' \
diff --git a/Completion/Linux/Command/_losetup b/Completion/Linux/Command/_losetup
index f5a7ec1b1..d8e792aaf 100644
--- a/Completion/Linux/Command/_losetup
+++ b/Completion/Linux/Command/_losetup
@@ -18,7 +18,7 @@ _arguments -s -S \
   - 'info' \
   '(-v --verbose)'{-v,--verbose}'[verbose mode]' \
   '(-o --offset -a --all)'{-a,--all}'[show the status of all loop devices]' \
-  '(-O --output --output-all)'{-O+,--output=}'[specify columns to be printed with --list]:column:_sequence -s , compadd - name autoclear back-file back-ino back-maj\:min maj\:min offset partscan ro sizelimit dio log-sec' \
+  '(-O --output --output-all)'{-O+,--output=}'[specify columns to be printed with --list]:column:_sequence -s , compadd -M "B\:+=" - name autoclear back-file back-ino back-maj\:min back-maj back-min maj\:min maj min offset partscan ref ro sizelimit dio log-sec' \
   '(-O --output)--output-all[output all columns]' \
   '(-J --json --raw -O --output -n --noheadings)'{-J,--json}'[use JSON --list output format]' \
   '(-l --list)'{-l,--list}'[list currently used loop devices]' \
@@ -33,6 +33,7 @@ _arguments -s -S \
   {-D,--detach-all}'[detach all associated loop devices]' \
   - 'create' \
   '--direct-io[open backing file with O_DIRECT]::enable:(on off)' \
+  '--loop-ref=[specify loop device reference]:string' \
   '(-f --find 1)'{-f,--find}'[find the first unused loop device]' \
   '(-L --nooverlap)'{-L,--nooverlap}'[avoid possible conflict between devices]' \
   '(-P --partscan)'{-P,--partscan}'[scan the partition table of newly created loop devices]' \
diff --git a/Completion/Linux/Command/_lsblk b/Completion/Linux/Command/_lsblk
index 63aac743c..c8b30eb5e 100644
--- a/Completion/Linux/Command/_lsblk
+++ b/Completion/Linux/Command/_lsblk
@@ -8,6 +8,10 @@ typeset -A opt_args
 _arguments -C -s -S \
   '(H -A --noempty)'{-A,--noempty}"[don't print empty devices]" \
   '(H -E --dedup)'{-E+,--dedup=}'[de-duplicate output by specified column]:column:->columns' \
+  '(H -Q --filter)'{-Q+,--filter=}'[only print lines matching expression]:expression' \
+  '(H)--highlight=[color lines matching expression]:expression' \
+  '(H)*--ct-filter=[restrict the next counter]:expression' \
+  '(H)*--ct=[define a custom counter]:name\:param\:func' \
   '(H -a --all)'{-a,--all}'[print all devices]' \
   '(H -b --bytes)'{-b,--bytes}'[print size in bytes rather than in human readable format]' \
   '(H -d --nodeps)'{-d,--nodeps}"[don't print slaves or holders]" \
@@ -40,6 +44,7 @@ _arguments -C -s -S \
   '(H)'{-P,--pairs}'[use key="value" output format]' \
   '(H)'{-r,--raw}'[use raw output format]' \
   + 'H' \
+  '(* -)'{-H,--list-columns}'[list the available columns]' \
   '(* -)'{-h,--help}'[display help information]' \
   '(* -)'{-V,--version}'[display version information]' && ret=0
 
@@ -56,7 +61,7 @@ case $state in
   ;|
   column*)
     values=(
-      ${${${${(f)"$(_call_program columns lsblk -h)"}[(r)Available*,-2]## #}[2,-1]//:/\\:}/  /:}
+      ${${${${(f)"$(_call_program columns lsblk --list-columns)"}## #}//:/\\:}/ <[^>]#> #/:}
     )
     _describe -t fields column values -M 'm:{a-z}={A-Z}' $suf -F dedup && ret=0
   ;;
diff --git a/Completion/Linux/Command/_pidof b/Completion/Linux/Command/_pidof
index 151a0e0f6..fdafd507d 100644
--- a/Completion/Linux/Command/_pidof
+++ b/Completion/Linux/Command/_pidof
@@ -17,6 +17,7 @@ case $variant in
       '(-w --with-workers)'{-w,--with-workers}'[show kernel workers too]' \
       "(-x $exargs)"-x'[include shells running named scripts]' \
       "($exargs)"\*{-o+,--omit-pid=}'[omit processes with PIDs]:pids:_sequence -s , _pids' \
+      '(-t --lightweight)'{-t,--lightweight}'[list threads too]' \
       '(-S --separator)'{-S+,--separator=}'[specify separator put between PIDs]:separator' \
       '*:process:->procnames' \
       && return 0
diff --git a/Completion/Linux/Command/_slabtop b/Completion/Linux/Command/_slabtop
index 5c8919d12..2021ec332 100644
--- a/Completion/Linux/Command/_slabtop
+++ b/Completion/Linux/Command/_slabtop
@@ -1,5 +1,4 @@
 #compdef slabtop
-# based on procps-ng-3.3.15
 
 local -a criteria=(
   'a:number of active objects'
@@ -18,5 +17,6 @@ _arguments -s \
   '(-d --delay -o --once)'{-d+,--delay=}'[specify the delay between updates]:seconds: ' \
   '(-s --sort)'{-s+,--sort=}'[specify the sort criteria]:criteria:(($criteria))' \
   '(-d --delay -o --once)'{-o,--once}'[display the output once and exit]' \
+  '--human[show human-readable output]' \
   '(-)'{-V,--version}'[display version information and exit]' \
   '(-)'{-h,--help}'[display usage information and exit]'
diff --git a/Completion/Linux/Command/_wipefs b/Completion/Linux/Command/_wipefs
index 8642aab92..5cc97e85f 100644
--- a/Completion/Linux/Command/_wipefs
+++ b/Completion/Linux/Command/_wipefs
@@ -2,7 +2,8 @@
 
 _arguments -s -S \
   '(H -a --all)'{-a,--all}'[wipe all magic strings]' \
-  '(H -b --backup)'{-b,--backup}'[create a signature backup in $HOME]' \
+  '(H --backup)-b[create a signature backup in $HOME]' \
+  '(H -b)--backup=-[create a signature backup in $HOME]::path [$HOME]:_directories' \
   '(H -f --force)'{-f,--force}'[force erasure]' \
   '(H -i --no-headings -J --json -p --parsable)'{-i,--no-headings}"[don't print headings]" \
   '(H -J --json -i --no-headings -p --parsable)'{-J,--json}'[use JSON output format]' \