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5 Time Saving Bash Tricks

by Nikhil Mungel

Presented by Nikhil Mungel at DevOpsDays Bangalore 2011.

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5 Time Saving Bash Tricks
Nikhil Mungel @hyfather
Fun with Control and Meta
Meta-Dot and friends
scp ~/source/tree/file.cnikhilm@server.tw.com:.
M-.
nikhilm@server.tw.com:.
Yank the last argument to previous command.
M-C-y
~/source/tree/file.c
Yank the first argument to previous command.
Killing and Yanking
C-k
Kill text till end-of-line.
C-y
Yanks it back!
M-y
Cycle through the kill-ring.
Bang through the History!
!!
Substitute previous command.
$ sudo !!
SSH multiplexing
http://bit.ly/bashtips
~/.ssh/config
Host *
ControlMaster auto
ControlPath /tmp/%r0%h:%p
pushdand popd
A stack of directories!
$ pushd .
$ popd
Multi-Session History
http://bit.ly/bashtips
~/.bashrc
$ shopt –s histappend
tail -f httpd.log &
http://bit.ly/bashtips
Share STDOUTbetween the REPL and the tail.
Even the shell itself is a REPL (!)
No switching tabs.
Thanks!
http://bit.ly/bashtips
Nikhil Mungel
@hyfather