sic: add page (#5694)

pages/linux/sic.md

@@ -0,0 +1,29 @@
+# sic
+
+> Simple IRC client.
+> Part of the suckless tools.
+> More information: <https://tools.suckless.org/sic/>.
+
+- Connect to the default host (irc.ofct.net) with the nickname set in the `$USER` environment variable:
+
+`sic`
+
+- Connect to a given host, using a given nickname:
+
+`sic -h {{host}} -n {{nickname}}`
+
+- Connect to a given host, using a given nickname and password:
+
+`sic -h {{host}} -n {{nickname}} -k {{password}}`
+
+- Join a channel:
+
+`:j #{{channel}}<Enter>`
+
+- Send a message to a channel or user:
+
+`:m #{{channel|user}}<Enter>`
+
+- Set default channel or user:
+
+`:s #{{channel|user}}<Enter>`