Princesssquishuskush: Created page with "== General == * 0 = stdin * 1 = stdout * 2 = stderr * Each of these can be redirected independently * To redirect stderr, preface the > with the number of the file descriptor to redirect> This is often used to discard error info from appearing on the screen ** since stderr is on file descriptor 2, use 2> * Redirect stdout and stderr to different files kill iHUP 1234 >killout.txt 2>killerr.txt I am guessing that 1 is the default so you don't see 1> * Redirect stdout..."

2025-07-04T19:37:27Z

Created page with "== General == * 0 = stdin * 1 = stdout * 2 = stderr * Each of these can be redirected independently * To redirect stderr, preface the > with the number of the file descriptor to redirect> This is often used to discard error info from appearing on the screen ** since stderr is on file descriptor 2, use 2> * Redirect stdout and stderr to different files ** kill iHUP 1234 >killout.txt 2>killerr.txt ** I am guessing that 1 is the default so you don't see 1> * Redirect stdout..."

New page

== General ==
* 0 = stdin
* 1 = stdout
* 2 = stderr
* Each of these can be redirected independently
* To redirect stderr, preface the > with the number of the file descriptor to redirect> This is often used to discard error info from appearing on the screen
** since stderr is on file descriptor 2, use 2>
* Redirect stdout and stderr to different files
** kill iHUP 1234 >killout.txt 2>killerr.txt
** I am guessing that 1 is the default so you don't see 1>
* Redirect stdout and stderr to the same file
** kill -1 1234 >blah.txt 2>&1
*** Read it like this: redirect stdout to the file blah.txt, then direct stderr to the same place as stdout
* Redirect all output, stdout and stderr, to /dev/null
** kill -1 1234 >/dev/null 2>&1
* Redirecting input is kind of lame
** more < blah.txt
*** why not just do more blah.txt

Redirection - Revision history