Update cheatsheets

linux/lsns

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lsns
+
+> List information about all namespaces or about the specified namespace.
+> More information: <https://man7.org/linux/man-pages/man8/lsns.8.html>.
+
+- List all namespaces:
+
+`lsns`
+
+- List namespaces in JSON format:
+
+`lsns --json`
+
+- List namespaces associated with the specified process:
+
+`lsns --task {{pid}}`
+
+- List the specified type of namespaces only:
+
+`lsns --type {{mnt|net|ipc|user|pid|uts|cgroup|time}}`
+
+- List namespaces, only showing the namespace ID, type, PID, and command:
+
+`lsns --output {{NS,TYPE,PID,COMMAND}}`