pages/*: add backticks around I/O streams (#10436)

* as suggested in #10428
* standard input  => `stdin`
* standard output => `stdout`
* standard error  => `stderr`

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/linux/aspell.md

@@ -7,7 +7,7 @@
 
 `aspell check {{path/to/file}}`
 
-- List misspelled words from standard input:
+- List misspelled words from `stdin`:
 
 `cat {{path/to/file}} | aspell list`
 
@@ -19,6 +19,6 @@
 
 `aspell --lang={{cs}}`
 
-- List misspelled words from standard input and ignore words from personal word list:
+- List misspelled words from `stdin` and ignore words from personal word list:
 
 `cat {{path/to/file}} | aspell --personal={{personal-word-list.pws}} list`

pages/linux/cat.md

@@ -3,7 +3,7 @@
 > Print and concatenate files.
 > More information: <https://www.gnu.org/software/coreutils/cat>.
 
-- Print the contents of a file to the standard output:
+- Print the contents of a file to `stdout`:
 
 `cat {{path/to/file}}`
 

pages/linux/dmesg.md

@@ -1,6 +1,6 @@
 # dmesg
 
-> Write the kernel messages to standard output.
+> Write the kernel messages to `stdout`.
 > More information: <https://manned.org/dmesg>.
 
 - Show kernel messages:

pages/linux/flameshot.md

@@ -24,7 +24,7 @@
 
 `flameshot screen --number {{2}}`
 
-- Create a screenshot and print it to the standard output:
+- Create a screenshot and print it to `stdout`:
 
 `flameshot gui --raw`
 

pages/linux/grub-script-check.md

@@ -1,7 +1,7 @@
 # grub-script-check
 
 > The program `grub-script-check` takes a GRUB script file and checks it for syntax errors.
-> It may take a path as a non-option argument. If none is supplied, it will read from standard input.
+> It may take a path as a non-option argument. If none is supplied, it will read from `stdin`.
 > More information: <https://www.gnu.org/software/grub/manual/grub/html_node/Invoking-grub_002dscript_002dcheck.html>.
 
 - Check a specific script file for syntax errors:

pages/linux/hardinfo.md

@@ -7,7 +7,7 @@
 
 `hardinfo`
 
-- Print report to standard output:
+- Print report to `stdout`:
 
 `hardinfo -r`
 

pages/linux/keyctl.md

@@ -15,7 +15,7 @@
 
 `keyctl add {{type_keyring}} {{key_name}} {{key_value}} {{target_keyring}}`
 
-- Store a key with its value from standard input:
+- Store a key with its value from `stdin`:
 
 `echo -n {{key_value}} | keyctl padd {{type_keyring}} {{key_name}} {{target_keyring}}`
 

pages/linux/logsave.md

@@ -7,7 +7,7 @@
 
 `logsave {{path/to/logfile}} {{command}}`
 
-- Take input from standard input and save it in a log file:
+- Take input from `stdin` and save it in a log file:
 
 `logsave {{logfile}} -`
 

pages/linux/pridecat.md

@@ -3,7 +3,7 @@
 > Like cat but more colorful :).
 > More information: <https://github.com/lunasorcery/pridecat>.
 
-- Print the contents of a file in pride colors to the standard output:
+- Print the contents of a file in pride colors to `stdout`:
 
 `pridecat {{path/to/file}}`
 

pages/linux/rmmod.md

@@ -11,7 +11,7 @@
 
 `sudo rmmod --verbose {{module_name}}`
 
-- Remove a module from the kernel and send errors to syslog instead of standard error:
+- Remove a module from the kernel and send errors to syslog instead of `stderr`:
 
 `sudo rmmod --syslog {{module_name}}`
 

pages/linux/run-mailcap.md

@@ -16,7 +16,7 @@
 
 `run-mailcap --action=ACTION --debug {{filename}}`
 
-- Ignore any "copiousoutput" directive and forward output to standard output:
+- Ignore any "copiousoutput" directive and forward output to `stdout`:
 
 `run-mailcap --action=ACTION --nopager {{filename}}`
 

pages/linux/script.md

@@ -15,6 +15,6 @@
 
 `script -a {{path/to/session.out}}`
 
-- Record timing information (data is outputted to the standard error):
+- Record timing information (data is outputted to `stderr`):
 
 `script -t 2> {{path/to/timingfile}}`

pages/linux/scriptreplay.md

@@ -1,6 +1,6 @@
 # scriptreplay
 
-> Replay a typescript created by the `script` command to the standard output.
+> Replay a typescript created by the `script` command to `stdout`.
 > More information: <https://manned.org/scriptreplay>.
 
 - Replay a typescript at the speed it was recorded:

pages/linux/slop.md

@@ -3,7 +3,7 @@
 > Get a selection of the screen.
 > More information: <https://github.com/naelstrof/slop>.
 
-- Wait for the user to make a selection and output its geometry to standard output:
+- Wait for the user to make a selection and output its geometry to `stdout`:
 
 `slop`
 

pages/linux/sqfscat.md

@@ -1,6 +1,6 @@
 # sqfscat
 
-> Concatenate files from a squashfs filesystem and print them to standard output.
+> Concatenate files from a squashfs filesystem and print them to `stdout`.
 > More information: <https://manned.org/sqfscat>.
 
 - Display the contents of one or more files from a squashfs filesystem:

pages/linux/sxiv.md

@@ -11,7 +11,7 @@
 
 `sxiv -f {{path/to/file}}`
 
-- Open a newline-separated list of images, reading filenames from standard input:
+- Open a newline-separated list of images, reading filenames from `stdin`:
 
 `echo {{path/to/file}} | sxiv -i`
 

pages/linux/utmpdump.md

@@ -3,7 +3,7 @@
 > Dump and load btmp, utmp and wtmp accounting files.
 > More information: <https://manned.org/utmpdump>.
 
-- Dump the `/var/log/wtmp` file to the standard output as plain text:
+- Dump the `/var/log/wtmp` file to `stdout` as plain text:
 
 `utmpdump {{/var/log/wtmp}}`