this post was submitted on 29 Jun 2023
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Why spawn additional process when you can get into shell directly with
sudo -s?Well, sudo itself is a purely optional component—you can run a system quite happily with just su .
Because I already had my fingers closer to "su" than to "-s"... but more seriously, because I tend to use
sudo -E suon a remote terminal with a PS1 set to colorize the prompt based on whether I'm running root and the host if it's remote, butsudo -E -sdoesn't run the root's.bashrcthat runs the updated colorization while at the same time exports too much of the user's environment into the root shell.What do you do with all the process you save with that trick ?