diff --git a/inc/dsl/nuxfs.apply.dsl b/inc/dsl/nuxfs.apply.dsl
index 851ab8a..ec0c125 100644
--- a/inc/dsl/nuxfs.apply.dsl
+++ b/inc/dsl/nuxfs.apply.dsl
@@ -11,3 +11,8 @@ link.check.recover() {
 git.check.recover() {
   $GIT_BIN clone "$origin" "$abs_path"
 }
+
+cathegorize.process.dir() {
+  mkdir -p "$cat_dir"
+  nux.dsl.info "$cat_dir" Created directory
+}
diff --git a/inc/dsl/nuxfs.check.dsl b/inc/dsl/nuxfs.check.dsl
index 5a1cda6..834c4c9 100644
--- a/inc/dsl/nuxfs.check.dsl
+++ b/inc/dsl/nuxfs.check.dsl
@@ -36,3 +36,25 @@ git.entered() {
     return;
   fi
 }
+
+cathegorize.cathegories() {
+  nux.dsl.error Proposed cathegories: $NC_White$cathegories$NC_No
+  for cat in $cathegories; do
+    cat_dir=$parent_dir/$cat;
+    if [ ! -d "$cat_dir" ]; then
+      nux.dsl.error $cat_dir Does not exits. Required by $NC_White$@$NC_No
+    fi
+  done
+}
+
+cathegorize.files() {
+  (cd "$parent_dir"; find -maxdepth 1 -iname "$match") \
+    | while read file
+        do
+          file=$(basename "$file")
+          cathegory=$(echo $file | cathegorize.cathegory)
+          if [[ $cathegories =~ "$cathegory" ]];then
+            nux.dsl.error "$parent_dir/$file" Should be in $cathegory
+          fi
+        done
+}
diff --git a/inc/dsl/nuxfs.dsl b/inc/dsl/nuxfs.dsl
index 7e76ece..ad30280 100644
--- a/inc/dsl/nuxfs.dsl
+++ b/inc/dsl/nuxfs.dsl
@@ -66,6 +66,61 @@
 ##
 .keyword should-not-exists
 
+.keyword cathegorize match min delimiter
+cathegorize.check() {
+  test $(find "$(dirname "$abs_path")" -maxdepth 1 -iname "$match" | wc -l) -gt 0
+}
+
+cathegorize.cathegory() {
+  sed -r -e "s/$delimiter/:/g" | cut -d: -f1
+}
+cathegorize.entered() {
+  local parent_dir=$(dirname "$rel_path");
+  local cathegories=$((cd "$parent_dir"; find -maxdepth 1 -iname "$match") \
+    | cut -d"/" -f2 \
+    | cathegorize.cathegory | sort | uniq -c \
+    | while IFS=" " read count cathegory
+        do
+          if [ $count -ge $min ]; then
+            echo $theme $cathegory
+          fi
+        done
+    )
+
+  for cat in $cathegories; do
+    cat_dir=$parent_dir/$cat;
+    if [ ! -d "$cat_dir" ]; then
+      cathegorize.process.dir "$@"
+    fi
+  done
+
+  (cd "$parent_dir"; find -maxdepth 1 -iname "$match") \
+    | while read file
+        do
+          file=$(basename "$file")
+          cathegory=$(echo $file | cathegorize.cathegory)
+
+          if [[ $cathegories =~ "$cathegory" ]];then
+            rel_file=$parent_dir/$file
+            cat_dir=$parent_dir/$cathegory
+            cathegorize.process.file "$@"
+          fi
+        done
+
+}
+
+cathegorize.process.dir() {
+  nux.dsl.error "$cat_dir" Does not exits. Required by cathegorize
+}
+
+cathegorize.process.file() {
+  nux.dsl.error "$rel_file" Should be in $NC_White$cat_dir$NC_No
+}
+
+cathegorize.check.failed() {
+  nux.log debug Noop, no files to cathegorize
+}
+
 directory() {
   dir
 }
diff --git a/inc/dsl/nuxfs.fix.dsl b/inc/dsl/nuxfs.fix.dsl
new file mode 100644
index 0000000..7078401
--- /dev/null
+++ b/inc/dsl/nuxfs.fix.dsl
@@ -0,0 +1,13 @@
+.use-dsl nuxfs.apply
+
+should-not-exists.check.failed() {
+for f in "$rel_path"; do
+  rm -r "$f"
+  nux.dsl.info $f Deleted.
+done
+}
+
+cathegorize.process.file() {
+  mv "$rel_file" "$cat_dir"
+  nux.dsl.info "$rel_file" Moved to $NC_White$cat_dir$NC_No
+}
diff --git a/inc/nux-base.inc.sh b/inc/nux-base.inc.sh
index fd436a1..a5e3951 100644
--- a/inc/nux-base.inc.sh
+++ b/inc/nux-base.inc.sh
@@ -47,6 +47,7 @@ readonly NC_LightPurple='\033[1;35m'
 readonly NC_LightCyan='\033[1;36m'
 readonly NC_White=$nc_white
 
+readonly NC_error=$NC_Red
 ## #Public functions:
 ##
 ## ##Logging
@@ -103,11 +104,11 @@ function  nux.log.level {
 }
 
 function nux.echo.error {
-	echo -e "${NC_error}$* ${NC_No}";
+	echo "${NC_error}$* ${NC_No}";
 }
 
 function nux.echo.warning {
-	echo -e "${NC_warning}$* ${NC_No}";
+	echo -e "${NC_warning}"$@" ${NC_No}";
 }
 
 ##   nux.use <library>
@@ -117,6 +118,23 @@ function nux.use {
   source "$NUX_INC_DIR/$incfile"
 }
 
+function nux.fatal {
+  echo "$@";
+  exit -1;
+}
+
+##   nux.require <binary> [<common-package>]
+function nux.require {
+  local binary=$1;
+  local package=${2:-$1}
+  if nux.check.exec "$binary" ; then
+    :
+  else
+    nux.fatal $1 is not present. Please check if $package is installed.
+  fi
+
+}
+
 function nux.include {
   local incfile="$1.inc.sh"
   source "$NUX_INC_DIR/$incfile"
@@ -129,6 +147,11 @@ function nux.check.function {
   return 1
 }
 
+function nux.check.exec {
+  local binary=$1;
+  test -n "$(which "$binary")"
+}
+
 ##   nux.check.file.exists <name>
 ##
 function nux.check.file.exists {
@@ -172,3 +195,7 @@ function nux.help.shelldoc {
     -e "s/\*([^*]*)\*/${NC_White}\1${NC_No}/gI"  \
 
 }
+
+NUX_ENV_MACHINE=/usr/
+NUX_ENV_MACHINE_LOCAL=/usr/local/
+NUX_ENV_USER_LOCAL=$HOME/.local
diff --git a/inc/nux.dsl.inc.sh b/inc/nux.dsl.inc.sh
index a0849cd..16fa895 100644
--- a/inc/nux.dsl.inc.sh
+++ b/inc/nux.dsl.inc.sh
@@ -1,3 +1,5 @@
+## nux.dsl - NUX Script DSL Support Library
+
 function nux.dsl.block.type {
   echo ${DSL_BLOCK_TYPE[${#DSL_BLOCK_TYPE[@]}-1]}
 }