Asignar el resultado de una orden a una variable

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#10240

From: F
Date: Sat, 16 Mar 2002 19:46

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tengo una duda,

�como asigno el recultado de un comando a una varible?

lo estoy intentando con
a='ls -l agenda'
a="ls -l agenda"
a=ls -l agenda
set a='ls -l agenda'

pero no va ninguna

Gracias
F

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