Co robi ECHO użycie. Konsola a command built into bash . The following character sequences have.

Czy przydatne?

Polecenie echo

Wykonanie, użycie: Send (echo) the input string to standard output. This is the /bin/echo command. echo also exists as a command built into bash. The following character sequences have special meanings:

a

Alert (bell).

 

Backspace.

 c

Suppress trailing newline.

Form feed.

Newline.

Carriage return.

Horizontal tab.

 v

Vertical tab.

 \

Literal backslash.

 nnn

The octal character whose ASCII code is nnn

Opcje wykonania echo w konsoli

-e

Enable character sequences with special meaning. (In some versions, this option is not required in order to make the sequences work.)

 -E

Disable character sequences with special meaning.

 -n

Suppress printing of newline after text.

 --help

Print help message and then exit.

 --version

Print version information and then exit.

Przykłady echo działanie w Słownik polecenie E