Update cheatsheets

tldr/aria2c

@@ -23,7 +23,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Download the same file from different mirrors and verify the checksum of the downloaded file:
 
-`aria2c --checksum={{sha-256}}={{hash}} "{{url1}}" "{{url2}}" "{{urlN}}"`
+`aria2c --checksum {{sha-256}}={{hash}} "{{url1}}" "{{url2}}" "{{urlN}}"`
 
 - Download the URIs listed in a file with a specific number of parallel downloads:
 

tldr/cut

@@ -8,14 +8,18 @@ source: https://github.com/tldr-pages/tldr.git
 > Cut out fields from `stdin` or files.
 > More information: <https://www.gnu.org/software/coreutils/cut>.
 
-- Print a specific character/field range of each line:
+- Print a specific [c]haracter/[f]ield range of each line:
 
 `{{command}} | cut --{{characters|fields}} {{1|1,10|1-10|1-|-10}}`
 
-- Print a field range of each line with a specific delimiter:
+- Print a [f]ield range of each line with a specific [d]elimiter:
 
 `{{command}} | cut --delimiter "{{,}}" --fields {{1}}`
 
-- Print a character range of each line of the specific file:
+- Print a [c]haracter range of each line of the specific file:
 
 `cut --characters {{1}} {{path/to/file}}`
+
+- Print specific [f]ields of `NUL` terminated lines (e.g. as in `find . -print0`) instead of newlines:
+
+`{{command}} | cut --zero-terminated --fields {{1}}`

tldr/fastfetch

@@ -12,6 +12,10 @@ source: https://github.com/tldr-pages/tldr.git
 
 `fastfetch`
 
+- Display system information without a logo and escape sequences:
+
+`fastfetch --pipe`
+
 - Fetch a specific structure:
 
 `fastfetch --structure {{structure}}`

tldr/sunicontopnm

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# sunicontopnm
+
+> Convert a Sun icon into a Netpbm image.
+> More information: <https://netpbm.sourceforge.net/doc/sunicontopnm.html>.
+
+- Convert a Sun icon into a Netpbm image:
+
+`sunicontopnm {{path/to/input.ico}} > {{path/to/output.pbm}}`