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Convert current symbolic directory into physical directory

Copy the text from the 3rd line to the 9th line into a new file with VI

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"

Print your cpu intel architecture family

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

Download an entire website from a specific folder on down

check open ports without netstat or lsof

How to trim a video using ffmpeg
Will trim the video to 4 seconds starting from the beginning. The -vcodec , -acodec options are required so that ffmpeg knows in what video/audio format you want for the new video.

Create black and white image
Use ImageMagick to create a "black and white" copy of an image.

Silently deletes lines containing a specific string in a bunch of files
This command will find all occurrences of one or more patterns in a collection of files and will delete every line matching the patterns in every file


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