Tag: programming languages

Push algorithm

Pop algorithm

Push-Re label method

Discoverer Route.

AVL trees.

JBL trees

Red-black Trees

Blue-Green Trees

${string:position:length}

${string:length:position}

${string:length-position}

${string::length::position}

arch

tar

ar

aux

!

$$

&

+

positional

variable

Named

internal

$$

$#

$_

$!

var left-shifted 2 bits

var mutliplied by 2 bits

var reduced 2 bits

None of the above

cat /etc/shells

cat /tmp/shells

cat /root/shell

echo $SHELLS

command1 || command2

command1 && command2

command1 // command2

command1 | command2