README.md

@@ -33,23 +33,22 @@ Here's a more stylish version of [Bash-Oneliner](https://onceupon.github.io/Bash
 
 #####  Using Ctrl keys
 ```
-Ctrl + a : move to the beginning of line.
-Ctrl + d : if you've type something, Ctrl + d deletes the character under the cursor, else, it escapes the current shell.
-Ctrl + e : move to the end of line.
-Ctrl + k : delete all text from the cursor to the end of line.
-Ctrl + l : equivalent to clear.
 Ctrl + n : same as Down arrow.
 Ctrl + p : same as Up arrow.
-Ctrl + q : to resume output to terminal after Ctrl + s.
 Ctrl + r : begins a backward search through command history.(keep pressing Ctrl + r to move backward)
 Ctrl + s : to stop output to terminal.
-Ctrl + t : transpose the character before the cursor with the one under the cursor, press Esc + t to transposes the two words before the cursor.
-Ctrl + u : cut the line before the cursor; then Ctrl + y paste it
-Ctrl + w : cut the word before the cursor; then Ctrl + y paste it
+Ctrl + q : to resume output to terminal after Ctrl + s.
+Ctrl + a : move to the beginning of line.
+Ctrl + e : move to the end of line.
+Ctrl + d : if you've type something, Ctrl + d deletes the character under the cursor, else, it escapes the current shell.
+Ctrl + k : delete all text from the cursor to the end of line.
 Ctrl + x + backspace : delete all text from the beginning of line to the cursor.
-Ctrl + x + Ctrl + e : launch editor defined by $EDITOR to input your command. Useful for multi-line commands.
-Ctrl + z : stop current running process and keep it in background. You can use `fg` to continue the process in the foreground, or `bg` to continue the process in the background.
+Ctrl + t : transpose the character before the cursor with the one under the cursor, press Esc + t to transposes the two words before the cursor.
+Ctrl + w : cut the word before the cursor; then Ctrl + y paste it
+Ctrl + u : cut the line before the cursor; then Ctrl + y paste it
 Ctrl + _ : undo typing.
+Ctrl + l : equivalent to clear.
+Ctrl + x + Ctrl + e : launch editor defined by $EDITOR to input your command. Useful for multi-line commands.
 ```
 ##### Change case
 ```bash
@@ -60,7 +59,6 @@ Esc + l
 Esc + c
 # converts letter under the cursor to uppercase, rest of the word to lowercase.
 ```
-
 ##### Run history number (e.g. 53)
 ```bash
 !53
@@ -131,31 +129,6 @@ $USER   current username
 $HOSTNAME   current hostname
 ```
 
-##### Using vi-mode in your shell
-```bash
-set -o vi
-# change bash shell to vi mode
-# then hit the Esc key to change to vi edit mode (when `set -o vi` is set)
-k
-# in vi edit mode - previous command
-j
-# in vi edit mode - next command
-0
-# in vi edit mode - beginning of the command
-R
-# in vi edit mode - replace current characters of command
-2w
-# in vi edit mode - next to 2nd word
-b
-# in vi edit mode - previous word
-i
-# in vi edit mode - go to insert mode
-v
-# in vi edit mode - edit current command in vi
-man 3 readline
-# man page for complete readline mapping
-```
-
 ## Variable
 [[back to top](#handy-bash-one-liners)]
 ##### Variable substitution within quotes
@@ -171,7 +144,7 @@ echo '$foo'
 # single quotes within double quotes will not cancel expansion and will be part of the output
 echo "'$foo'"
 # 'bar'
-# doubled single quotes act as if there are no quotes at all
+# doubled single quotes act as double quotes making variables expand
 echo ''$foo''
 # bar
 ```
@@ -2101,6 +2074,11 @@ killall pulseaudio
 # then press Alt-F2 and type in pulseaudio
 ```
 
+##### When sound not working
+```bash
+killall pulseaudio
+```
+
 ##### List information about SCSI devices
 ```bash
 lsscsi
@@ -3166,40 +3144,11 @@ rsync -av directory user@ip_address:/path/to/directory.bak
 # skip files that are newer on receiver (i prefer this one!)
 ```
 
-##### Create a temporary directory and `cd` into it
-```bash
-cd $(mktemp -d)
-# for example, this will create a temporary directory "/tmp/tmp.TivmPLUXFT"
-```
-
 ##### Make all directories at one time!
 ```bash
 mkdir -p project/{lib/ext,bin,src,doc/{html,info,pdf},demo/stat}
 # -p: make parent directory
-# this will create:
-# project/
-# project/bin/
-# project/demo/
-# project/demo/stat/
-# project/doc/
-# project/doc/html/
-# project/doc/info/
-# project/doc/pdf/
-# project/lib/
-# project/lib/ext/
-# project/src/
-#
-# project/
-# ├── bin
-# ├── demo
-# │   └── stat
-# ├── doc
-# │   ├── html
-# │   ├── info
-# │   └── pdf
-# ├── lib
-# │   └── ext
-# └── src
+# this will create project/doc/html/; project/doc/info; project/lib/ext ,etc
 ```
 
 ##### Run command only if another command returns zero exit status (well done)