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If you are new to linux OS, it’s a common mistake to add a (.) in front of your files and suddenly the file disappears. In Linux filenames starting with a dot (.) are hidden. You can intentionally make a folder or file hidden by renaming it.mv filename .filename If you want to view you hidden files or folders, first go to the location where the file resides using cd command.
In Linux all devices that are connected to the system are listed in/dev If you connect your mouse to your system it will detect it as hidraw. Other serial devices will be named as tty0, tty1,etc. So if you connect a serial (any) device and you want to know it’s name ( for ex: you want to connect it via minicom ), first go to /dev using
