diff --git a/docs/linux/filesystems.md b/docs/linux/filesystems.md
index 411ad24..2197bfa 100644
--- a/docs/linux/filesystems.md
+++ b/docs/linux/filesystems.md
@@ -19,13 +19,24 @@ btrfs filesystem defragment -v -clzo /boot/*
 btrfs property set -f . ro false
 btrfs property set -f . ro true
 ```
+
+### Snapshot
+
 #### Create shapshot
 ```bash
 btrfs subvolume snapshot xyz xyz-snapshot-path-name
+
+# or
+
+btrfs subvolume snapshot main main-`date +%Y-%m-%d`
 ```
 #### Delete shapshot
 ```bash
 btrfs subvolume delete xyz-snapshot-path-name
+
+# or
+
+btrfs subvolume delete "`echo main-* | tr ' ' \\\\n | sort | head -n 1`"
 ```
 
 # Ext4