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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 19:33:34 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 19:33:34 +0000 |
| commit | 1272be04be0cb803eec87f602edb2e3e6f111aea (patch) | |
| tree | bce17f6478cdd9f3c4ec3d751135dc42786d6a56 /term-utils/setterm.1.adoc | |
| parent | Releasing progress-linux version 2.39.3-11~progress7.99u1. (diff) | |
| download | util-linux-1272be04be0cb803eec87f602edb2e3e6f111aea.tar.xz util-linux-1272be04be0cb803eec87f602edb2e3e6f111aea.zip | |
Merging upstream version 2.40.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'term-utils/setterm.1.adoc')
| -rw-r--r-- | term-utils/setterm.1.adoc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/term-utils/setterm.1.adoc b/term-utils/setterm.1.adoc index 880fe10..365c4bb 100644 --- a/term-utils/setterm.1.adoc +++ b/term-utils/setterm.1.adoc @@ -156,6 +156,10 @@ Turns underline mode on or off. include::man-common/help-version.adoc[] +== WARNING + +Use of *setterm* in combination with stdout redirection can have unexpected results, as some options operate on stdin. To prevent problems, always redirect both stdin and stdout to the same device. + == COMPATIBILITY Since version 2.25 *setterm* has support for long options with two hyphens, for example *--help*, beside the historical long options with a single hyphen, for example *-help*. In scripts it is better to use the backward-compatible single hyphen rather than the double hyphen. Currently there are no plans nor good reasons to discontinue single-hyphen compatibility. |