10 Fun Commands of Linux

1. Command: sl (Steam Locomotive)

Install sl

$ sudo apt install sl   [On Debian/Ubuntu & Mint]
$ sudo yum install sl [On CentOS/RHEL 7]
$ sudo dnf install sl [On CentOS/RHEL 8 & Fedora]
$ sudo pacman -S sl [On Arch Linux]
$ sudo pkg_add -v sl [On FreeBSD]
root@tecmint:~# sl

2. Command: telnet

root@tecmint:~# telnet towel.blinkenlights.nl   [No longer working]

3. Command: fortune

Install fortune

$ sudo apt install fortune   [On Debian/Ubuntu & Mint]
$ sudo yum install fortune [On CentOS/RHEL 7]
$ sudo dnf install fortune [On CentOS/RHEL 8 & Fedora]
$ sudo pacman -S fortune [On Arch Linux]
$ sudo pkg_add -v fortune [On FreeBSD]
root@tecmint:~# fortuneYou're not my type. For that matter, you're not even my species!!!
Future looks spotty. You will spill soup in the late evening.
You worry too much about your job. Stop it. You are not paid enough to worry.
Your love life will be... interesting.

4. Command: rev (Reverse)

root@tecmint:~# rev123abc 
cba321
xuniL eb ot nrob
born to be Linux

5. Command: factor

root@tecmint:~# factor 55 
5: 5
12
12: 2 2 3
1001
1001: 7 11 13
5442134
5442134: 2 2721067

6. Command: script

root@tecmint:~# for i in {1..12}; do for j in $(seq 1 $i); do echo -ne $i×$j=$((i*j))\\t;done; echo;done 1×1=1	
2×1=2 2×2=4
3×1=3 3×2=6 3×3=9
4×1=4 4×2=8 4×3=12 4×4=16
5×1=5 5×2=10 5×3=15 5×4=20 5×5=25
6×1=6 6×2=12 6×3=18 6×4=24 6×5=30 6×6=36
7×1=7 7×2=14 7×3=21 7×4=28 7×5=35 7×6=42 7×7=49
8×1=8 8×2=16 8×3=24 8×4=32 8×5=40 8×6=48 8×7=56 8×8=64
9×1=9 9×2=18 9×3=27 9×4=36 9×5=45 9×6=54 9×7=63 9×8=72 9×9=81
10×1=10 10×2=20 10×3=30 10×4=40 10×5=50 10×6=60 10×7=70 10×8=80 10×9=90 10×10=100
11×1=11 11×2=22 11×3=33 11×4=44 11×5=55 11×6=66 11×7=77 11×8=88 11×9=99 11×10=110 11×11=121
12×1=12 12×2=24 12×3=36 12×4=48 12×5=60 12×6=72 12×7=84 12×8=96 12×9=108 12×10=120 12×11=132 12×12=144

7. Command: Cowsay

Install Cowsay

$ sudo apt install cowsay   [On Debian/Ubuntu & Mint]
$ sudo yum install cowsay [On CentOS/RHEL 7]
$ sudo dnf install cowsay [On CentOS/RHEL 8 & Fedora]
$ sudo pacman -S cowsay [On Arch Linux]
$ sudo pkg_add -v cowsay [On FreeBSD]
root@tecmint:~# cowsay I Love nix  ____________
< I Love nix >
------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
root@tecmint:~# fortune | cowsay  _________________________________________
/ Q: How many Oregonians does it take to \
| screw in a light bulb? A: Three. One to |
| screw in the light bulb and two to fend |
| off all those |
| |
| Californians trying to share the |
\ experience. /
-----------------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
$ sudo apt install xcowsay   [On Debian/Ubuntu & Mint]
$ sudo yum install xcowsay [On CentOS/RHEL 7]
$ sudo dnf install xcowsay [On CentOS/RHEL 8 & Fedora]
$ sudo pacman -S xcowsay [On Arch Linux]
$ sudo pkg_add -v xcowsay [On FreeBSD]
root@tecmint:~# xcowsay I Love nix
root@tecmint:~# cowthink ....Linux is sooo funny
_________________________
( ....Linux is sooo funny )
-------------------------
o ^__^
o (oo)\_______
(__)\ )\/\
||----w |
|| ||

8. Command: yes

root@tecmint:~# yes I Love LinuxI Love Linux
I Love Linux
I Love Linux
I Love Linux
I Love Linux
I Love Linux
I Love Linux
I Love Linux
I Love Linux
I Love Linux
I Love Linux
I Love Linux

9. Command: toilet

Install toilet

$ sudo apt install toilet  [On Debian/Ubuntu & Mint]
$ sudo yum install toilet [On CentOS/RHEL 7]
$ sudo dnf install toilet [On CentOS/RHEL 8 & Fedora]
$ sudo pacman -S toilet [On Arch Linux]
$ sudo pkg_add -v toilet [On FreeBSD]
root@tecmint:~# toilet tecmint mmmmmmm                        "             m                               
# mmm mmm mmmmm mmm m mm mm#mm mmm mmm mmmmm
# #" # #" " # # # # #" # # #" " #" "# # # #
# #"""" # # # # # # # # # # # # # #
# "#mm" "#mm" # # # mm#mm # # "mm # "#mm" "#m#" # # #
root@tecmint:~# toilet -f mono12 -F metal Tecmint.com

10. Command: cmatrix

Install cmatrix

$ sudo apt install cmatrix  [On Debian/Ubuntu & Mint]
$ sudo yum install cmatrix [On CentOS/RHEL 7]
$ sudo dnf install cmatrix [On CentOS/RHEL 8 & Fedora]
$ sudo pacman -S cmatrix [On Arch Linux]
$ sudo pkg_add -v cmatrix [On FreeBSD]
root@tecmint:~# cmatrix

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