diff --git a/lib/aliases.zsh b/lib/aliases.zsh
index e18a7e82f..1f91a8d66 100644
--- a/lib/aliases.zsh
+++ b/lib/aliases.zsh
@@ -23,6 +23,11 @@ alias sl=ls # often screw this up
 alias afind='ack-grep -il'
 
 alias x=extract
-
 alias reload="source ~/.zshrc"
 alias galias='alias | grep'
+
+# Request confirmation before attempting to remove each file, regardless of the file's permissions, or
+# whether or not the standard input device is a terminal.  The -i option overrides any previous -f options.
+alias rm="rm -i"
+
+alias psg='show_processes'
diff --git a/lib/functions.zsh b/lib/functions.zsh
index ef7cc6383..b503eb0e4 100644
--- a/lib/functions.zsh
+++ b/lib/functions.zsh
@@ -15,3 +15,11 @@ function take() {
   cd $1
 }
 
+function show_processes() {
+    if (($# == 0)); then
+        ps -ef
+    else
+        echo "  UID   PID  PPID   C     STIME TTY           TIME CMD"
+        ps -ef | grep $*
+    fi
+}
\ No newline at end of file