diff --git a/modules/utility/README.md b/modules/utility/README.md
index 48642b20..8c67671a 100644
--- a/modules/utility/README.md
+++ b/modules/utility/README.md
@@ -11,8 +11,8 @@ Settings
 If you have enabled color globally in *zshrc*, you may disable it for certain
 commands.
 
-To disable `ls` color, add the following line to *zshrc*. If coloring is
-disabled, type indicators (*, /, =>, @, |) will be appended to entries.
+To disable `ls` color, add the following line to *zshrc*; when coloring is
+disabled, type indicators (\*, /, =>, @, =, |, %) will be appended to entries.
 
     zstyle ':omz:module:utility:ls' color 'no'
 
@@ -31,32 +31,7 @@ To disable `make` highlighting, add the following line to *zshrc*:
 Aliases
 -------
 
-### The ls Family
-
-  - `ls` lists with directories grouped first (GNU only).
-  - `l`  lists in one column, hidden files.
-  - `ll` lists human readable sizes.
-  - `lr` lists recursively.
-  - `la` lists hidden files.
-  - `lp` lists through pager.
-  - `lx` lists sorted by extension (GNU only).
-  - `lk` lists sorted by size, largest last.
-  - `lt` lists sorted by date, most recent last.
-  - `lc` lists sorted by date, most recent last, shows change time.
-  - `lu` lists sorted by date, most recent last, shows access time.
-  - `sl` is aliased to ls.
-
-### General
-
-  - `_` is aliased to sudo.
-  - `b` opens the default web browser.
-  - `e` opens the default editor.
-  - `p` opens the default pager.
-  - `po` removes a directory from the stack and changes to it.
-  - `pu` adds the current directory to the stack and changes to a directory.
-  - `type` displays all attribute values of a shell parameter.
-
-### Spelling Correction Disabled
+### Disabled Spelling Correction
 
   - `ack`
   - `cd`
@@ -64,6 +39,7 @@ Aliases
   - `ebuild`
   - `gcc`
   - `gist`
+  - `grep`
   - `heroku`
   - `ln`
   - `man`
@@ -73,7 +49,7 @@ Aliases
   - `rm`
   - `scp`
 
-### File Globbing Disabled
+### Disabled File Globbing
 
   - `fc`
   - `find`
@@ -81,14 +57,45 @@ Aliases
   - `locate`
   - `rake`
 
-### Mac OS X
+### General
 
-  - `o` is alised to `open` on Mac OS X and `xdg-open` on non Mac OS X.
-  - `get` downloads a file using `curl` or `wget`.
-  - `pbcopy` uses xclip or xsel on non Mac OS X.
-  - `pbpaste` uses xclip or xsel on non Mac OS X.
-  - `pbc` is alised to `pbcopy`.
-  - `pbp` is alised to `pbpaste`.
+  - `_` executes a command as another user (`sudo`).
+  - `b` opens the default web browser.
+  - `cp` copies files and directories interactively.
+  - `e` opens the default editor.
+  - `ln` links files and directories interactively.
+  - `mkdir` creates directories, including itermediery directories.
+  - `mv` moves files and directories interactively.
+  - `p` opens the default pager.
+  - `po` removes a directory from the stack and changes to it (`popd`).
+  - `pu` changes the directory and pushes the old directory onto the stack
+    (`pushd`).
+  - `rm` removes files and directories interactively.
+  - `type` displays all the attribute values of a shell parameter.
+
+### Files and Directories
+
+  - `ls` lists with directories grouped first (GNU only).
+  - `l`  lists in one column, hidden files.
+  - `ll` lists human readable sizes.
+  - `lr` lists human readable sizes, recursively.
+  - `la` lists human readable sizes, hidden files.
+  - `lp` lists human readable sizes, hidden files through pager.
+  - `lx` lists sorted by extension (GNU only).
+  - `lk` lists sorted by size, largest last.
+  - `lt` lists sorted by date, most recent last.
+  - `lc` lists sorted by date, most recent last, shows change time.
+  - `lu` lists sorted by date, most recent last, shows access time.
+  - `sl` lists directory contents (`ls`).
+
+### Mac OS X Everywhere
+
+  - `o` opens files and directories (`open` or `xdg-open`).
+  - `get` downloads files (`curl` or `wget`).
+  - `pbcopy` copies to the pasteboard (`pbcopy`, `xclip` or `xsel`).
+  - `pbpaste` pastes from the pasteboard (`pbcopy`, `xclip` or `xsel`).
+  - `pbc` copies to the pasteboard (`pbcopy`).
+  - `pbp` pastes from the pasteboard (`pbpaste`).
 
 ### Resource Usage
 
@@ -103,19 +110,18 @@ Aliases
 ### Misecellaneous
 
   - `http-serve` serves a directory via HTTP.
-  - `pmine` displays user owned processes status.
 
 Functions
 ---------
 
 ### General
 
-  - `slit` prints columns 1 2 3 ... n.
+  - `slit` prints columns *1, 2, 3 ... n*.
 
 ### Files and Directories
 
   - `cdls` changes to a directory and lists its contents.
-  - `duh` displays human readable disk usage.
+  - `dut` displays the grand total disk usage using human readable units.
   - `find-exec` finds files and executes a command on them.
   - `mkdcd` makes a directory and changes to it.
   - `popdls` pops an entry off the directory stack and lists its contents.
@@ -127,6 +133,10 @@ Functions
   - `make` highlights make output (requires `colormake`).
   - `wdiff` highlights wdiff output (requires `wdiff `or `Git`).
 
+### Resource usage
+
+  - `psu` displays user owned processes status.
+
 Authors
 -------
 
diff --git a/modules/utility/init.zsh b/modules/utility/init.zsh
index bcd9a581..53b618d4 100644
--- a/modules/utility/init.zsh
+++ b/modules/utility/init.zsh
@@ -15,9 +15,47 @@ setopt CORRECT
 
 # Aliases
 
-# The 'ls' Family
+# Disable correction.
+alias ack='nocorrect ack'
+alias cd='nocorrect cd'
+alias cp='nocorrect cp'
+alias ebuild='nocorrect ebuild'
+alias gcc='nocorrect gcc'
+alias gist='nocorrect gist'
+alias grep='nocorrect grep'
+alias heroku='nocorrect heroku'
+alias ln='nocorrect ln'
+alias man='nocorrect man'
+alias mkdir='nocorrect mkdir'
+alias mv='nocorrect mv'
+alias mysql='nocorrect mysql'
+alias rm='nocorrect rm'
+alias scp='nocorrect scp'
+
+# Disable globbing.
+alias fc='noglob fc'
+alias find='noglob find'
+alias history='noglob history'
+alias locate='noglob locate'
+alias rake='noglob rake'
+
+# Define general aliases.
+alias _='sudo'
+alias b='${(z)BROWSER}'
+alias cp="${aliases[cp]:-cp} -i"
+alias e='${(z)EDITOR}'
+alias ln="${aliases[ln]:-ln} -i"
+alias mkdir="${aliases[mkdir]:-mkdir} -p"
+alias mv="${aliases[mv]:-mv} -i"
+alias p='${(z)PAGER}'
+alias po='popd'
+alias pu='pushd'
+alias rm="${aliases[rm]:-rm} -i"
+alias type='type -a'
+
+# ls
 if is-callable 'dircolors'; then
-  # GNU core utilities.
+  # GNU Core Utilities
   alias ls='ls --group-directories-first'
 
   if zstyle -t ':omz:module:utility:ls' color; then
@@ -31,7 +69,7 @@ if is-callable 'dircolors'; then
     alias ls="$aliases[ls] -F"
   fi
 else
-  # BSD core utilities.
+  # BSD Core Utilities
   if zstyle -t ':omz:module:utility:ls' color; then
     export LSCOLORS="exfxcxdxbxegedabagacad"
     alias ls="ls -G"
@@ -40,44 +78,19 @@ else
   fi
 fi
 
-alias l='ls -1A'         # List in one column.
-alias ll='ls -lh'        # List human readable sizes.
-alias lr='ll -R'         # List recursively.
-alias la='ll -A'         # List hidden files.
-alias lp='la | "$PAGER"' # List through pager.
-alias lx='ll -XB'        # List sorted by extension.
-alias lk='ll -Sr'        # List sorted by size, largest last.
-alias lt='ll -tr'        # List sorted by date, most recent last.
-alias lc='lt -c'         # List sorted by date, most recent last, show change time.
-alias lu='lt -u'         # List sorted by date, most recent last, show access time.
+alias l='ls -1A'         # Lists in one column, hidden files.
+alias ll='ls -lh'        # Lists human readable sizes.
+alias lr='ll -R'         # Lists human readable sizes, recursively.
+alias la='ll -A'         # Lists human readable sizes, hidden files.
+alias lp='la | "$PAGER"' # Lists human readable sizes, hidden files through pager.
+alias lx='ll -XB'        # Lists sorted by extension (GNU only).
+alias lk='ll -Sr'        # Lists sorted by size, largest last.
+alias lt='ll -tr'        # Lists sorted by date, most recent last.
+alias lc='lt -c'         # Lists sorted by date, most recent last, shows change time.
+alias lu='lt -u'         # Lists sorted by date, most recent last, shows access time.
 alias sl='ls'            # I often screw this up.
 
-# General
-alias _='sudo'
-alias b='${(z)BROWSER}'
-alias cd='nocorrect cd'
-alias cp='nocorrect cp -i'
-alias df='df -kh'
-alias du='du -kh'
-alias e='${(z)EDITOR}'
-alias find='noglob find'
-alias fc='noglob fc'
-alias gcc='nocorrect gcc'
-alias history='noglob history'
-alias ln='nocorrect ln -i'
-alias locate='noglob locate'
-alias man='nocorrect man'
-alias mkdir='nocorrect mkdir -p'
-alias mv='nocorrect mv -i'
-alias p='${(z)PAGER}'
-alias po='popd'
-alias pu='pushd'
-alias rake='noglob rake'
-alias rm='nocorrect rm -i'
-alias scp='nocorrect scp'
-alias type='type -a'
-
-# Mac OS X
+# Mac OS X Everywhere
 if [[ "$OSTYPE" == darwin* ]]; then
   alias o='open'
   alias get='curl --continue-at - --location --progress-bar --remote-name --remote-time'
@@ -99,27 +112,22 @@ fi
 alias pbc='pbcopy'
 alias pbp='pbpaste'
 
-# Top
+# Resource Usage
+alias df='df -kh'
+alias du='du -kh'
+
 if (( $+commands[htop] )); then
   alias top=htop
 else
-  alias topm='top -o vsize'
   alias topc='top -o cpu'
+  alias topm='top -o vsize'
 fi
 
 # Miscellaneous
-alias afind='nocorrect ack'
-alias ebuild='nocorrect ebuild'
-alias gist='nocorrect gist'
-alias heroku='nocorrect heroku'
-alias mysql='nocorrect mysql'
 
 # Serves a directory via HTTP.
 alias http-serve='python -m SimpleHTTPServer'
 
-# Displays user owned processes status.
-alias pmine='ps -U "$USER" -o pid,%cpu,%mem,command'
-
 # Functions
 
 # Makes a directory and changes to it.
@@ -152,3 +160,8 @@ function find-exec {
   find . -type f -iname "*${1:-}*" -exec "${2:-file}" '{}' \;
 }
 
+# Displays user owned processes status.
+function psu {
+  ps -{U,u}" ${1:-$USER}" -o 'pid,%cpu,%mem,command' "${(@)argv[2,-1]}"
+}
+