linux/e*: add option placeholders and mnemonics (#16997)

pages/linux/e2freefrag.md

@@ -7,6 +7,6 @@
 
 `e2freefrag {{/dev/sdXN}}`
 
-- Specify chunk size in kilobytes to print how many free chunks are available:
+- Specify [c]hunk size in kilobytes to print how many free chunks are available:
 
 `e2freefrag -c {{chunk_size_in_kb}} {{/dev/sdXN}}`

pages/linux/e2fsck.md

@@ -7,7 +7,7 @@
 
 `sudo e2fsck {{/dev/sdXN}}`
 
-- Check filesystem and automatically repair any damaged blocks:
+- Check filesystem and automatically repair ([p]reen) any damaged blocks:
 
 `sudo e2fsck -p {{/dev/sdXN}}`
 

pages/linux/e2image.md

@@ -19,6 +19,6 @@
 
 `e2image -r {{/dev/sdXN}} {{path/to/image_file}}`
 
-- Create a QCOW2 image file instead of a normal or raw image file:
+- Create a [Q]COW2 image file instead of a normal or raw image file:
 
 `e2image -Q {{/dev/sdXN}} {{path/to/image_file}}`

pages/linux/e2undo.md

@@ -16,7 +16,7 @@
 
 `e2undo {{path/to/undo_file}} {{/dev/sdXN}}`
 
-- Perform an undo operation and display verbose information:
+- Perform an undo operation and display [v]erbose information:
 
 `e2undo -v {{path/to/undo_file}} {{/dev/sdXN}}`
 

pages/linux/eclean.md

@@ -13,8 +13,8 @@
 
 - Clean the distfiles of all uninstalled packages, but keep the distfiles of installed packages:
 
-`sudo eclean --deep --package-names distfiles`
+`sudo eclean {{[-d|--deep]}} {{[-n|--package-names]}} distfiles`
 
 - Clean the binary packages of all uninstalled packages, but keep the binaries of installed packages:
 
-`sudo eclean --deep --package-names packages`
+`sudo eclean {{[-d|--deep]}} {{[-n|--package-names]}} packages`

pages/linux/euse.md

@@ -5,20 +5,20 @@
 
 - List active global USE flags:
 
-`euse --active --global`
+`euse {{[-a|--active]}} {{[-g|--global]}}`
 
 - List active local USE flags:
 
-`euse --active --local`
+`euse {{[-a|--active]}} {{[-l|--local]}}`
 
 - Enable a global USE flag:
 
-`sudo euse --enable {{use_flag}}`
+`sudo euse {{[-E|--enable]}} {{use_flag}}`
 
 - Disable a global USE flag (put a '-' sign in front of the USE flag):
 
-`sudo euse --disable {{use_flag}}`
+`sudo euse {{[-D|--disable]}} {{use_flag}}`
 
 - Remove a global USE flag:
 
-`sudo euse --prune {{use_flag}}`
+`sudo euse {{[-P|--prune]}} {{use_flag}}`

pages/linux/exiqgrep.md

@@ -11,7 +11,7 @@
 
 `exiqgrep -i -f '<{{email@example.com}}>'`
 
-- Match the recipient address:
+- Match the [r]ecipient address:
 
 `exiqgrep -r '{{email@example.com}}'`
 
@@ -23,6 +23,6 @@
 
 `exiqgrep -f '^<>$'`
 
-- Display the count of bounced messages:
+- Display the [c]ount of bounced messages:
 
 `exiqgrep -c -f '^<>$'`

pages/linux/expect.md

@@ -11,6 +11,6 @@
 
 `expect -c "{{commands}}"`
 
-- Enter an interactive REPL (use `exit` or `<Ctrl d>` to exit):
+- Enter an [i]nteractive REPL (use `exit` or `<Ctrl d>` to exit):
 
 `expect -i`

pages/linux/export.md

@@ -11,7 +11,7 @@
 
 `export -n {{VARIABLE}}`
 
-- Export a function to child processes:
+- Export a [f]unction to child processes:
 
 `export -f {{FUNCTION_NAME}}`
 

pages/linux/extrace.md

@@ -11,7 +11,7 @@
 
 `sudo extrace {{command}}`
 
-- Print the current working directory of each process:
+- Print the current working [d]irectory of each process:
 
 `sudo extrace -d`
 
@@ -19,6 +19,6 @@
 
 `sudo extrace -l`
 
-- Display the user running each process:
+- Display the [u]ser running each process:
 
 `sudo extrace -u`