Commands using grep (1,935)

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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"

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

View the newest xkcd comic.

HourGlass
Displays an animated hourglass for x amount of seconds

Generate 2000 images with its number written on it

concatenate compressed and uncompressed logs
with zcat force option it's even simpler.

Get all mac address
Get mac address listed for all interfaces.

Copy files from multiple directories into one directory

If (and only if) the variable is not set, prompt users and give them a default option already filled in.
The read command reads input and puts it into a variable. With -i you set an initial value. In this case I used a known environment variable.

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"


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