Update Moby enter and line differ command

Author: mdouchement

.dockerfunc

@@ -19,7 +19,7 @@ dfstats(){
 
 moby(){
   # Enter in Moby runtime (Docker's xhyve)
-  docker run -it --privileged --pid=host debian nsenter -t 1 -m -u -n -i sh
+  docker run -it --privileged --pid=host debian nsenter -t 1 -m -u -n -i ash
 }
 
 del_stopped(){

.profile

@@ -89,3 +89,13 @@ if [ -f ~/.dockerfunc ]
 then
   . "${HOME}/.dockerfunc"
 fi
+
+# Quick and dirty line displaying.
+#   $1 -> line number
+#   $2 -> first file
+#   $3 -> second file
+# Usage:
+#   lshow 4 file1.txt file2.txt
+lshow() {
+  head -n $1 $2 | tail -n 1 && head -n $1 $3 | tail -n 1
+}