diff --git a/zshrc b/zshrc
index 0dcad60..855d926 100644
--- a/zshrc
+++ b/zshrc
@@ -38,6 +38,11 @@ alias drmf='docker stop $(docker ps -a -q) && docker rm $(docker ps -a -q)'
 # Remove all images
 dri() { docker rmi $(docker images -q); }
 
+# Remove image by tag
+# Usage: drmit 'part_of_image_name1\|image_name2'
+# Not for use with numbers that could exist as IDs 
+drit() { docker images --format '{{.ID}} {{.Tag}}' | grep $1 | awk '{print $1;}' | xargs -n1 -P4 -r docker rmi; }
+
 # Dockerfile build, e.g., $dbu tcnksm/test 
 dbu() { docker build -t=$1 .; }
 
@@ -46,3 +51,12 @@ dalias() { alias | grep 'docker' | sed "s/^\([^=]*\)=\(.*\)/\1 => \2/"| sed "s/[
 
 # Bash into running container
 dbash() { docker exec -it $(docker ps -aqf "name=$1") bash; }
+
+# Show with special format
+alias dformat="docker ps -a --format 'table {{.ID}}\t{{.Names}}\t{{.Status}}\t{{.Image}}'"
+
+# Get containers by exact image/parent-image name
+dpsi() { docker ps --filter "ancestor=$1"; }
+
+# Get containers even exited by exact image/parent-image name
+dpsai() { docker ps -a --filter "ancestor=$1"; }