Share some linux prank commands

linux sl command

linux sl command – Display animation, meet the water drop train from the right to the left of the screen …, the purpose is to correct the user who accidentally input ls to sl.

installation

➜  ~ sudo apt install sl

run

➜  ~ sl

options

  • -a An accident seems to happen. You’ll feel pity for people who cry for help.
  • -l shows little one.
  • -F It flies.
  • -e Allow interrupt by Ctrl+C.

examples

➜  ~ sl -a

You can prank others by setting alias. When he typed ls, he saw a train, hahaha ^_^……

linux cowsay/cowthink commands

Linux Cowsay / Cowthink commands – generates an ASCII picture of a cow saying something provided by the user.

installation

➜  ~ sudo apt install cowsay

run

➜  ~ cowsay "hi everyone"

options

  • -b initiates Borg mode
  • -d causes the cow to appear dead
  • -g invokes greedy mode
  • -p causes a state of paranoia to come over the cow
  • -s makes the cow appear thoroughly stoned
  • -t yields a tired cow
  • -w somewhat the opposite of -t, and initiates wired mode
  • -y brings on the cow’s youthful appearance
  • -e select the appearance of the cow’s eyes
  • -T configure the tongue
  • -l list all cowfiles on the current COWPATH
  • -f specifies a particular cow picture file (“cowfile”) to use

examples

➜  ~ cowsay -e "OO" -T "||" "hello, everybody"
➜  ~ cowthink -e "OO" -T "||" "hello, everybody"
➜  ~ cowsay -l
Cow files in /usr/share/cowsay/cows:
apt bud-frogs bunny calvin cheese cock cower daemon default dragon
dragon-and-cow duck elephant elephant-in-snake eyes flaming-sheep
ghostbusters gnu hellokitty kangaroo kiss koala kosh luke-koala
mech-and-cow milk moofasa moose pony pony-smaller ren sheep skeleton
snowman stegosaurus stimpy suse three-eyes turkey turtle tux unipony
unipony-smaller vader vader-koala www

➜  ~ cowsay -f vader "hello, everybody"

linux cmatrix command

linux cMatrix – simulates the display from “The Matrix”

installation

➜  ~ sudo apt install cmatrix

run

➜  ~ cmatrix

options

  • -a Asynchronous scroll
  • -b Bold characters on
  • -B All bold characters (overrides -b)
  • -f Force the linux $TERM type to be on
  • -l Linux mode (sets “matrix.fnt” font in console)
  • -o Use old-style scrolling
  • -n No bold characters (overrides -b and -B)
  • -s “Screensaver” mode, exits on first keystroke
  • -x X window mode, use if your xterm is using mtx.pcf
  • -V Print version information and exit
  • -u delay
    Screen update delay 0 – 9, default 4
  • -C color
    Use this color for matrix (default green). Valid colors are green, red, blue, white, yellow, cyan, magenta and black.

keystrokes

       a      Toggle asynchronous scroll

       b      Random bold characters

       B      All bold characters

       n      Turn off bold characters

       0-9    Adjust update speed

       ! @ # $ % ^ & )
              Change the color of the matrix to the corresponding color: ! - red, @ - green, # - yellow, $ -  blue,  %  -  ma‐
              genta, ^ - cyan, & - white, ) - black.

       q      Quit the program

linux figlet / toilet commands

linux toilet command – prints text using large characters made of smaller characters.

linux figlet command – prints its input using large characters made up of ordinary screen characters

installation

➜  ~ sudo apt install toilet
➜  ~ sudo apt install figlet

run

➜  ~ toilet "hello"
➜  ~ figlet "hello"

linux yes command

linux yes command – output a string repeatedly until killed

run

➜  ~ yes hello

linux oneke command

linux oneko command – Creates a cute cat chasing around your mouse cursor.

installation

➜  ~ sudo apt install oneko

run

➜  ~ oneko

options

  • -dog
    Runs a dog instead of a cat.
  • -sakura
    Runs Sakura Kinomoto instead of a cat.
  • -tomoyo
    Runs Tomoyo Daidouji instead of a cat.
  • -tora
    Make cat into “tora-neko”, a cat wite tiger-like stripe.
  • -dog
    Runs a dog instead of a cat.
  • -sakura
    Runs Sakura Kinomoto instead of a cat.
  • -tomoyo
    Runs Tomoyo Daidouji instead of a cat.

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