Auto-Rotation on KDE Plasma ( Wayland ) – Lenovo ThinkPad X1 Tablet Gen 3

CONTEXT -------- Debian 13 (Trixie) + KDE Plasma 5.27 on Wayland.   Lenovo ThinkPad X1 Tablet Gen 3 (QHD 3000×2000, i7-8550U).   iio-sensor-proxy detects the accelerometer but doesn’t publish orientation on DBus.   Solution: use raw accelerometer values and rotate via kscreen-doctor (KDE’s Wayland tool). REQUIREMENTS ------------- sudo apt install kscreen   Accelerometer visible at /sys/bus/iio/devices/iio:device*/in_accel_x_raw FINAL SCRIPT — ~/.local/bin/autorotate-wayland.sh ------------------------------------------------- #!/usr/bin/env bash # Auto-rotate for KDE Plasma (Wayland) – ThinkPad X1 Tablet Gen 3 # Reads raw accelerometer data and rotates screen via kscreen-doctor. # Touch/pen mapping handled automatically by Wayland. # Create ~/.config/autorotate.lock to disable rotation temporarily. OUTPUT_ID="output.1"                                 # from `kscr...
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cat
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tac
Used to look at a file backwards, starting with the last line.

less
Used to view larger files because it is a paging program. It pauses at each screen full of text, doesn't load the entire text, therefore provides scroll-back capabilities. Also, lets you search and navigate within the file.
NOTE: Use / to search for a pattern in the forward direction and ? for a pattern in the backward direction. An older program named more is still used, but has fewer capabilities: "less is more".

more
Used to view larger files. It pauses at each screen full of text, It loads the entire file and allows to goup and down through paging.

tail
Used to print the last 10 lines of a file by default. You can change the number of lines by doing -n 15 or just -15 if you wanted to look at the last 15 lines instead of the default.

head
The opposite of tail; by default, it prints the first 10 lines of a file.

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