Archives Nov. 12, 2015

linux IO redirection

The default output device: standard output, STDOUT, 1

Default input device: standard input, STDIN, 0

Standard error output: STDERR, 2

Linux I/O redirection:

>: Override Output

eg. [root@mylab]# ls /var > /tmp/var2.out

>>: Append output

set -C: already prohibits the use of file redirection coverage

Force overwrite output ...