wajig: add page (#7015)

pages/linux/wajig.md

@@ -0,0 +1,36 @@
+# wajig
+
+> Simplified all-in-one-place system support tool for Debian-based systems.
+> More information: <https://wajig.togaware.com>.
+
+- Update the list of available packages and versions:
+
+`wajig update`
+
+- Install a package, or update it to the latest available version:
+
+`wajig install {{package}}`
+
+- Remove a package and its configuration files:
+
+`wajig purge {{package}}`
+
+- Perform an update and then a dist-upgrade:
+
+`wajig daily-upgrade`
+
+- Display the sizes of installed packages:
+
+`wajig sizes`
+
+- List the version and distribution for all installed packages:
+
+`wajig versions`
+
+- List versions of upgradable packages:
+
+`wajig toupgrade`
+
+- Display packages which have some form of dependency on the given package:
+
+`wajig dependents {{package}}`