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Burn CD/DVD from an iso, eject disc when finished.
cdrecord -scanbus will tell you the (x,y,z) value of your cdr (for example, mine is 3,0,0)

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

copy audio file from playlist to a floder
copy some file from xx.m3u to target folder

password generator
make password randomly, default 8 chars, using bash3.X only, no external program.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Rename all files in lower case
rename is a really powerfull to, as its name suggests, rename files

HOME USE ONLY: Get rid of annoying Polkit password prompts
Although the need to type a password to make certain changes to the system may make perfect sense in a business or educational environment, it makes absolutely zero sense to the home user. So, if you’re at home and would rather get work done than be annoyed by what is essentially Linux’s UAC, then this command is for you.

grep certain file types recursively
doesn't do case-insensitive filenames like iname but otherwise likely to be faster

cycle through a 256 colour palette
just for fun

Top Command in batch mode
running top command in batch mode. it is usefull if you want to redirect the output in a file.


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