Command Input & Output

Description

Redirecting Standard Output

standard output default to the teminal
commandName -options arguments 1> destination	The long form, using the stream number
commandName -options arguments > destination	The short form with no stream number

Redirecting Standard Error

any error executing the command will outout to the standard error
commandName -options arguments 2> destination	Redirect standard error
commandName -options arguments 1> out_destination 2> err_destination	Redirect standard error and standard output

Redirecting Standard Input

Standard input is by default connected to the keyboard and because standard input is a data stream it can be redirected to a file or another data stream (standard output)
commandName -options arguments 0< destination	The long form, using the stream number
commandName -options arguments < input_source	The short form with no stream number

Examples