Update cheatsheets

tldr/ipscan

@@ -0,0 +1,34 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ipscan
+
+> A fast network scanner designed to be simple to use.
+> Also known as Angry IP Scanner.
+> More information: <https://angryip.org/>.
+
+- Scan a specific IP address:
+
+`ipscan {{192.168.0.1}}`
+
+- Scan a range of IP addresses:
+
+`ipscan {{192.168.0.1-254}}`
+
+- Scan a range of IP addresses and save the results to a file:
+
+`ipscan {{192.168.0.1-254}} -o {{path/to/output.txt}}`
+
+- Scan IPs with a specific set of ports:
+
+`ipscan {{192.168.0.1-254}} -p {{80,443,22}}`
+
+- Scan with a delay between requests to avoid network congestion:
+
+`ipscan {{192.168.0.1-254}} -d {{200}}`
+
+- Display help:
+
+`ipscan --help`

tldr/linux/pacgraph

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pacgraph
+
+> Draw a graph of installed packages to PNG/SVG/GUI/console.
+> More information: <https://github.com/keenerd/pacgraph>.
+
+- Produce an SVG and PNG graph:
+
+`pacgraph`
+
+- Produce an SVG graph:
+
+`pacgraph --svg`
+
+- Print summary to console:
+
+`pacgraph --console`
+
+- Override the default filename/location (Note: Do not specify the file extension):
+
+`pacgraph --file={{path/to/file}}`
+
+- Change the color of packages that are not dependencies:
+
+`pacgraph --top={{color}}`
+
+- Change the color of package dependencies:
+
+`pacgraph --dep={{color}}`
+
+- Change the background color of a graph:
+
+`pacgraph --background={{color}}`
+
+- Change the color of links between packages:
+
+`pacgraph --link={{color}}`

tldr/mkfifo

@@ -11,3 +11,11 @@ source: https://github.com/tldr-pages/tldr.git
 - Create a named pipe at a given path:
 
 `mkfifo {{path/to/pipe}}`
+
+- Send data through a named pipe and send the command to the background:
+
+`echo {{"Hello World"}} > {{path/to/pipe}} &`
+
+- Receive data through a named pipe:
+
+`cat {{path/to/pipe}}`