Bash vs. Dash

Main Difference

Dash is a shell that has poor usability by modern necessities when used as an interactive log-in shell, nonetheless is faster in executing POSIX-compliant scripts than Bash.Bash has many further choices and is especially preferable when used interactively (although it does embrace further programming choices too). Bash is normally equipped as a result of the default interactive shell, whereas Debian and Debian-derivatives like Ubuntu current Dash as a result of the /bin/sh implementation, thereby inflicting scripts with #!/bin/sh shebangs to be interpreted by Dash barely than Bash by default. For scripts that require Bash for execution, Bash will nonetheless be used as a result of the interpreter if the shebang is #!/bin/bash. Numerous shell conditions are started as part of the Ubuntu boot course of. Rather than change each of them individually to run explicitly beneath /bin/dash, a change which could require necessary ongoing repairs and which is likely to be liable to regress if not paid shut consideration, the Ubuntu core enchancment group felt that it was biggest merely to differ the default shell.

Bash vs. Dash — Is There a Difference?
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Difference Between Bash and Dash

Bash vs. Dash

Bash is an outstanding full-featured shell acceptable for interactive use; definitely, it is nonetheless the default login shell. However, it is barely large and sluggish to start out out up and operate by comparability with dash.

Bash vs. Dash

Dash implements the Single Unix Spec, then it would not should do further to satisfy that formal spec. But among the many "bashisms" are useful, would add little to the size of dash, and would make it far less complicated to utilize dash instead.

Bash vs. Dash

Plenty of shell scripts which embrace the command set –okay shouldn't supported by dash nonetheless supported by bash.

Bash vs. Dash

Bash Supports the equivalent scripting directions as Dash along with its private additional directions, Dash Only helps POSIX compliant choices.

Bash vs. Dash

Bash is designed for human beings and provides a superset of POSIX efficiency, Dash is for non-interactive script execution.

Bash vs. Dash

Bash helps tab completion and Supports a command historic previous.

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Bash vs. Dash

Dash is barely 100Okay as compared with Bash's 900Okay.

Bash vs. Dash

Dash is for Faster start-up and script execution as as compared with Bash.

Bashverb

To strike heavily.

He bashed himself against the door.The thugs kept bashing the cowering victim.

Dashnoun

(typography) Any of the following symbols: ‒ (figure dash), – (en dash), — (em dash), or ― (horizontal bar).

Bashverb

To collide.

Don't bash into me with that shopping trolley.

Dashnoun

(colloquial) A hyphen or minus sign.

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Bashverb

To criticize harshly.

He bashed my ideas.

Dashnoun

(by extension) The longer of the two symbols of Morse code.

Bashverb

To masturbate.

He said that he bashes daily.

Dashnoun

A short run, flight.

When the feds came they did the dash.

Bashverb

To abash; to disconcert or be disconcerted or put out of countenance.

Dashnoun

A rushing or violent onset.

Bashnoun

A large party; gala event.

They had a big bash to celebrate their tenth anniversary.

Dashnoun

Violent strike; a whack.

Bashnoun

An attack that consists of placing all one's weight into a downward attack with one's fists.

Dashnoun

A small quantity of a liquid substance etc.; less than 1/8 of a teaspoon.

Add a dash of vinegar.

Bashnoun

a vigorous blow;

the sudden knock floored himhe took a bash right in his facehe got a bang on the head

Dashnoun

A slight admixture.

There is a dash of craziness in his personality.

Bashnoun

an uproarious party

Dashnoun

Ostentatious vigor.

Aren't we full of dash this morning?

Bashverb

hit hard

Dashnoun

A dashboard.

Dashnoun

A bribe or gratuity; a gift

Dashnoun

A stand-in for a censored word, like "Devil" or "damn". (Compare deuce.)

Dashverb

(intransitive) To run quickly or for a short distance.

He dashed across the field.

Dashverb

To leave or depart.

I have to dash now. See you soon.

Dashverb

(transitive) To destroy by striking (against).

He dashed the bottle against the bar and turned about to fight.

Dashverb

(transitive) To throw violently.

The man was dashed from the vehicle during the accident.

Dashverb

To sprinkle; to splatter.

Dashverb

To mix, reduce, or adulterate, by throwing in something of an inferior quality.

to dash wine with water

Dashverb

To ruin; to destroy.

Her hopes were dashed when she saw the damage.

Dashverb

(transitive) To dishearten; to sadden.

Her thoughts were dashed to melancholy.

Dashverb

(transitive) To complete hastily, usually with down or off.

He dashed down his eggs, she dashed off her homework

Dashverb

(transitive) To draw quickly; jot.

Dashinterjection

(euphemistic) Damn!

Dashnoun

distinctive and stylish elegance;

he wooed her with the confident dash of a cavalry officer

Dashnoun

a quick run

Dashnoun

a footrace run at top speed;

he is preparing for the 100-yard dash

Dashnoun

a punctuation mark (-) used between parts of a compound word or between the syllables of a word when the word is divided at the end of a line of text

Dashnoun

the longer of the two telegraphic signals used in Morse code

Dashnoun

the act of moving with great haste;

he made a dash for the door

Dashverb

run or move very quickly or hastily;

She dashed into the yard

Dashverb

break into pieces, as by striking or knocking over;

Smash a plate

Dashverb

hurl or thrust violently;

He dashed the plate against the wallWaves were dashing against the rock

Dashverb

destroy or break;

dashed ambitions and hopes

Dashverb

cause to lose courage;

dashed by the refusal

Dashverb

add an enlivening or altering element to;

blue paint dashed with white

What is Bash?

Bash is the Bourne-Once extra shell. Bash is an outstanding full-featured shell acceptable for interactive use; definitely, it is nonetheless the default login shell. Bash is designed for human beings and provides a superset of POSIX efficiency.

What is Dash?

Dash is the Debian Almquist Shell. Dash implements the Single Unix Spec, then it would not should do further to satisfy that formal spec. Dash is for non-interactive script execution. Dash Only helps POSIX compliant choices.