April 29, 2017

Relevant Linux Features: Go Forth And Explore

Go Forth And Explore


You have just lightly scratched the surface… being fresh from a pedicure. You haven't touched any of the items below. The good news is that if you don't already know them, chances are you will not need them… at least not right away:

2>&1 Redirect STDERR and STDOUT to the same place
Metacharacter A character that, when unquoted, separates words.  One of the following:
              |  & ; ( ) < > space tab
Operators ==, !=, =~, …
control operator A token that performs a control function.  It is one of the following symbols:
              || & && ; ;; ( ) | |& <newline>
Process Status 'ps' command, e.g. 'ps -A'
Shell scripting
Compound commands && - e.g. apt-get update && apt-get install -y openssh-server
List - (list)
{ list; }
((expression))
[[…]]
See "man bash"
xargs build and execute command lines from standard input
docker ps -aq | xargs docker rm -f
vi, sed, nawk Various editors and text processing tools

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