added some new commands

linux/linux disk.md

@@ -17,4 +17,8 @@ sudo ntfsfix /dev/sda2
 sudo ntfsresize --size 100G /dev/sda2 (-f)
 
 
-mkdir 
+mkdir 
+
+
+# folder size:
+du -hs 

linux/python env.md

@@ -19,3 +19,6 @@ conda env remove --name petals
 conda install -c conda-forge nodejs
 conda update -c conda-forge nodejs
 
+# get package location
+pip show {package[pip]}
+