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| author | bnewbold <bnewbold@robocracy.org> | 2012-06-03 23:28:57 -0400 |
|---|---|---|
| committer | bnewbold <bnewbold@robocracy.org> | 2012-06-03 23:28:57 -0400 |
| commit | 698a423afb8136e0820253bf23b0d195f4de1081 (patch) | |
| tree | c775245014ffcd45db8e507b241eb08221eb0869 /software/bash.page | |
| parent | e4398723bd0256b31e7ac3ad770fd3bdd0bd65e2 (diff) | |
| download | knowledge-698a423afb8136e0820253bf23b0d195f4de1081.tar.gz knowledge-698a423afb8136e0820253bf23b0d195f4de1081.zip | |
small tricks
Diffstat (limited to 'software/bash.page')
| -rw-r--r-- | software/bash.page | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/software/bash.page b/software/bash.page index 2fa38be..f9eeb8c 100644 --- a/software/bash.page +++ b/software/bash.page @@ -10,6 +10,11 @@ BASH Job Control The syntax for "job number" or "JOBSPEC" (when using ``kill`` or similar) is ``%4`` or ``%5``. +Startup +------- +``bash`` by default takes a very long time to initialize because the +auto-completion scripts are loaded multiple times; disable this in +``~/.bashrc``? Piping --------- @@ -18,3 +23,11 @@ You can pipe both ``stdout`` and ``stderr`` together either to a file or two ano grep --asdf >& /some/file grep --asdf |& less +Network Access +---------------- +You can directly access network sockets as if they were files from bash using +the virtual devices ``/dev/tcp/HOSTNAME/PORT`` and ``/dev/udp/HOSTNAME/PORT``. + +printf +------ +The ``printf`` command is much more powerful than "echo". |