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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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how output ps aux | grep aUser and keeping Newline ? (lemmy.ml)

submitted 2 months ago by Gordon_F@lemmy.ml to c/linux@lemmy.ml

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Hi,

by doing a

ps aux | grep UserName

The output do not keep the LF[^1] 😡

I've found some solution online by they involve 3 or more pipe | !

On my side, I've made this

ps -fp $(pgrep -d, -u UserName)

But still I found it not super human readable.

Is their a native way with ps to filter users ? or to grep it but the keep the LF ?

[^1]: linefeed https://en.wikipedia.org/wiki/Linefeed#Representation

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[–] thingsiplay@beehaw.org 3 points 2 months ago* (last edited 2 months ago)

Here is a little bonus to have in mind: You can convert newline characters to null, then grep with option null, and at last convert null characters back to newline. Now I don't think its useful in this case, but its good to know; therefore its a bonus information:

ps aux | tr '\n' '\0' | \grep --null-data ^root | tr '\0' '\n'