What is the difference between "." "./" and "source"? [duplicate]
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 …
Source vs . why different behaviour? - Unix & Linux Stack Exchange
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 …
Why can `BASH_SOURCE` be used to obtain the current directory …
Jul 30, 2020 · I've read that BASH_SOURCE should be populated with the name of the executing script (and it works!). But why does BASH_SOURCE hold the name of the executing script, …
What is the difference between building from source and using an ...
Aug 28, 2014 · I.e., unpack the source package from your distribution, replace the source with the upstream version, check if any of the distribution's patches or configuration tweaks still apply, …
How to compile and install programs from source
:) Building from source sometimes means the difference between fixing a nasty bug and just suffering until the next software release. It's really not that bad, and as many here have …
convert executable back to C source code
Sep 16, 2015 · Unfortunately I lost my source code and I just have the output file that made with gcc in linux and I don’t have any access to my pc now.is there any way to convert output file to …
How can I reduce a video's size with ffmpeg?
How can I use ffmpeg to reduce the size of a video by lowering the quality (as minimally as possible, naturally, because I need it to run on a mobile device that doesn't have much …
Where to find the source code for ps? - Unix & Linux Stack Exchange
Sep 19, 2012 · I want to check out the source code for commands such as ps. It seems to be impossible to search LXR (linux.no) for "ps". Where do I find it?
If "bash <file>" works, why is "source <file>" throwing an error?
Jun 21, 2016 · However, when you source something, it is run in your current shell which, because it is interactive, has already loaded the aliases and therefore the fi alias is recognized …
How can I make a script in /etc/init.d start at boot?
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. …