Circuit board with text saying:
Every machine is a smoke machine if you operate it wrong enough.

Panel 1:
An adult stands in the doorway looking at a child who has built a flower out of Lego blocks. The adult says "Have you tried building something practical?"

Panel 2:
The child looks proudly at their new Lego creation which is the adult standing holding a sign that says "I AM PROUD OF YOU"

I'm not crying, you're crying.

A girl in a blue shirt smiles amidst symbols like a rainbow, smiling flowers, a sunflower, and an infinity loop. Reflective text reads, “12 y.o. me, who knew she was different, but wouldn’t know why until 30 years later... Happy Autism Awareness Day.” The mood is celebratory and contemplative.

a self-portrait of a smiling person wearing a pink hoodie and carrying a transgender pride flag on a flagpole over their shoulder

A butter dish with less than 1/4 teaspoon of butter remaining.

basic file stuff

touch - create file
mkdir - create directory
cp - copy
mv - move
rm - delete
ln - create symlink
ls - list directory

how big is it
wc - word count
du - file size in bytes
df - filesystem usage

slice & dice files
sed - replace regex
tr - replace character
grep - search file
cut - get column
awk - get column ( more)
sort - sort lines
uniq - unique lines
head - first 10 lines
tail - last 10 lines

filesystems
mount - mount a filesystem
umount - unmount
dd - copy data to a disk

manage processes
ps - list processes
lsof - list open files
kill - send a signal
pkill - fancy `kill`
top - who's using CPU?
uptime - time since reboot

permissions
chown - change owner
chmod - change permissions


time stuff
time - measure runtime
date - current time
sleep - wait X seconds
cal - cute calendar


useful with pipes
less - scroll text
cat - print file contents
tee - stdin -> file stdout
xargs - run cmd for each line


compression
tar - make/extract tar files
gzip - compress with gzip
gunzip - decompress
zip - compress with zip
unzip - decompress


& more
which - find cmd on PATH
man - read man page
crontab - edit crontab
md5sum - calculate md5sum
diff - diff files


shell builtins (not programs)

export - set env var
alias - create an alias
source - eval code from file
cd - change directory
type - is cmd a builtin?
history - view history
echo - print text
printf - like C printf
disown - TODO

A burnt chessboard fragment on sand

A black woman stands in the foreground in the front right. She is wearing what looks like a schoolgirl's black skirt, white shirt, and black tie, with two homemade giant cardboard chainsaw blades tie the light of her arms sticking out in front of her. On her head is a sort of helmet, with another chainsaw blade on it. The blades are fleked with red blood.She's in a nice, suburban-looking living room, with her a possible sibling in the background, and her mom sitting on the couch, both staring at the camera

A middle aged man with long brown hair and goatee stands in front of Union Station in Denver, a train station with a neoclassical design of off-white stone and rounded arches. The man wears dark blue jeans and a black t-shirt bearing the symbols of a rose and a broken chain. In a gothic font, the shirt reads “Protect trans folks”

Photoshopped image of Cory Booker as Olenna Tyrel with the subtitle "Tell Strom Thurmond. I want him to know it was me."

Me at the beach

Screenshot of 8 new Apple emojis: Face with Bags Under Eyes, Fingerprint, Splatter, Root Vegetable, Leafless Tree, Harp, Shovel, and Flag: Sark.

A cedarwood garden bed, backed by a small arbor, in a side yard, on an early Spring day.

2025 WIS. GENERAL SUPREME COURT
Susan Crawford wins. AP race call at 7:16 p.m. on April 1, 2025.

71% of votes counted

Susan Crawford: 902,214 55.5%
Brad Schimel: 722,118 44.5%

a gigantic piece of cheese crushing a Cybertruck.

A, orange and white cat is looking out of the driver's window of a business vehicle. The company name is "Eco-Sound Pest Management" and has the tagline "An organic approach"

Cartoon of four sharks apparently batting playballs around in the ocean as a man’s head in the sky proclaims, “IN ATLANTIS WE ALL ENJOY A GOOD GAME OF SHARK-BALL!”

realgenius1.jpg