diff options
| 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 | |
| parent | e4398723bd0256b31e7ac3ad770fd3bdd0bd65e2 (diff) | |
| download | knowledge-698a423afb8136e0820253bf23b0d195f4de1081.tar.gz knowledge-698a423afb8136e0820253bf23b0d195f4de1081.zip | |
small tricks
| -rw-r--r-- | software/bash.page | 13 | ||||
| -rw-r--r-- | software/debian.page | 2 | ||||
| -rw-r--r-- | software/unix-tricks.page | 5 |
3 files changed, 19 insertions, 1 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". diff --git a/software/debian.page b/software/debian.page index e4c24f5..32c0c5d 100644 --- a/software/debian.page +++ b/software/debian.page @@ -40,7 +40,7 @@ Some gotchas from installing debian a few times: * ``bash`` by default takes a very long time to initialize because the auto-completion scripts are loaded multiple times; disable this in - ``~/.bashrc``? + ``~/.bashrc``? See also [bash]. * For building stuff you want ``build-essential`` diff --git a/software/unix-tricks.page b/software/unix-tricks.page index 3573bc9..34c96d5 100644 --- a/software/unix-tricks.page +++ b/software/unix-tricks.page @@ -47,3 +47,8 @@ appropriate, and go through the output file to clean up the text. $ sudo grep "bookmark_bar" --binary-files=text -B 10 -A 1000 /dev/sda5 | tee undeleted_content.txt +Misc +---- +``tput`` is useful for controlling the terminal cursor position, font style, +etc. + |