Sep 27, 2016 · When the script is done, any changes that it made to the environment are discarded. . script The above sources the script. It is as if the commands had been typed in directly. Any …

2 source is there for readability and self-documentation, . exists because it is quick to type. The commands are identical. Perl has long and short versions of many of its control variables for the …

source is a shell keyword that is supposed to be used like this: source file where file contains valid shell commands. These shell commands will be executed in the current shell as if typed from the …

Feb 27, 2019 · The original sh sourced .profile on startup. bash will try to source .bash_profile first, but if that doesn't exist, it will source .profile. Note that if bash is started as sh (e.g. /bin/sh is a link …

Aug 18, 2013 · I suddenly came across the term "ephemeral port" in a Linux article that I was reading, but the author did not mention what it is. What is an ephemeral port in UNIX?

You have an alias which is overriding the builtin source (fix with unalias source) You have a function which is overriding source (fix with unset -f source) You are somehow not using bash (although …

I found the .bashrc file and I want to know the purpose/function of it. Also how and when is it used?

In my ~/.bashrc file reside two definitions: commandA, which is an alias to a longer path commandB, which is an alias to a Bash script I want to process the same file with these two commands, so I ...

Jul 28, 2019 · You could source the new file, which would work for some changes, possibly including updating the PATH variable (depending on other lines). However, sourcing it would simply run …

Apr 20, 2017 · I think I read something a while back about this, but I can't remember how it's done. Essentially, I have a service in /etc/init.d which I'd like to start automatically at boot time. I …