Update cheatsheets

tldr/linux/pkgtool

@@ -0,0 +1,30 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pkgtool
+
+> Interactive menu-driven tool for managing Slackware packages.
+> See also: `installpkg`, `removepkg`, `upgradepkg`, `makepkg`.
+> More information: <https://www.slackbook.org/html/book.html#PACKAGE-MANAGEMENT-PACKAGE-UTILITIES-PKGTOOL>.
+
+- Launch the interactive package tool:
+
+`sudo pkgtool`
+
+- Remove packages interactively:
+
+`sudo pkgtool --remove_menu`
+
+- View installed packages:
+
+`pkgtool --view_menu`
+
+- Install packages from the current directory:
+
+`sudo pkgtool --install_menu`
+
+- Set up packages interactively (run doinst.sh scripts):
+
+`sudo pkgtool --setup_menu`