Update cheatsheets

tldr/figlet

@@ -13,11 +13,11 @@ source: https://github.com/tldr-pages/tldr.git
 
 `figlet {{input_text}}`
 
-- Use a custom font file:
+- Use a custom [f]ont file:
 
 `figlet {{input_text}} -f {{path/to/font_file.flf}}`
 
-- Use a font from the default font directory (the extension can be omitted):
+- Use a [f]ont from the default font directory (the extension can be omitted):
 
 `figlet {{input_text}} -f {{font_filename}}`
 
@@ -28,3 +28,11 @@ source: https://github.com/tldr-pages/tldr.git
 - Show available FIGlet fonts:
 
 `showfigfonts {{optional_string_to_display}}`
+
+- Use the full width of the [t]erminal and [c]enter the input text:
+
+`figlet -t -c {{input_text}}`
+
+- Display all characters at full [W]idth to avoid overlapping:
+
+`figlet -W {{input_text}}`

tldr/linux/choom

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# choom
+
+> Display and change the adjust out-of-memory killer score.
+> More information: <https://manned.org/choom>.
+
+- Display the OOM-killer score of the process with a specific ID:
+
+`choom -p {{pid}}`
+
+- Change the adjust OOM-killer score of a specific process:
+
+`choom -p {{pid}} -n {{-1000..+1000}}`
+
+- Run a command with a specific adjust OOM-killer score:
+
+`choom -n {{-1000..+1000}} {{command}} {{argument1 argument2 ...}}`

tldr/linux/iptables-save

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # iptables-save
 
 > Save the `iptables` IPv4 configuration.
-> Use `ip6tables-save` to to the same for IPv6.
+> Use `ip6tables-save` to the same for IPv6.
 > More information: <https://manned.org/iptables-save>.
 
 - Print the `iptables` configuration:

tldr/perldoc

@@ -12,7 +12,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `perldoc -{{f|v|a}} {{name}}`
 
-- Search in the the question headings of Perl FAQ:
+- Search in the question headings of Perl FAQ:
 
 `perldoc -q {{regex}}`
 

tldr/wdiff

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# wdiff
+
+> Display word differences between text files.
+> More information: <https://www.gnu.org/software/wdiff/>.
+
+- Compare two files:
+
+`wdiff {{path/to/file1}} {{path/to/file2}}`
+
+- Ignore case when comparing:
+
+`wdiff --ignore-case {{path/to/file1}} {{path/to/file2}}`
+
+- Display how many words are deleted, inserted or replaced:
+
+`wdiff --statistics {{path/to/file1}} {{path/to/file2}}`