Interesting commands under Linux

Let’s learn some fun commands in Linux

screenfetch: Display system and theme information

Installation and use:

sudo apt install screenfetch
screenfetch

Rendering:

linux_logo: Linux version logo picture and system information

Installation and use:

sudo apt install linuxlogo
linux_logo

Rendering:

View built-in logo list:

linux_logo -f -L list
 	
Available Built-in Logos:
 Num    Type    Ascii    Name        Description
  1    Classic    Yes    aix        AIX Logo
  2    Classic    Yes    bsd        FreeBSD Logo
  3    Banner    Yes    bsd_banner    FreeBSD Logo
  4    Classic    Yes    irix        Irix Logo
  5    Classic    Yes    openbsd        OpenBSD Logo
  6    Banner    Yes    openbsd_banner    OpenBSD Logo
  7    Banner    Yes    solaris        The Default Banner Logos
  8    Banner    Yes    banner-simp    Simplified Banner Logo
  9    Banner    Yes    banner        The Default Banner Logo
 10    Classic    Yes    classic-nodots    The Classic Logo, No Periods
 11    Classic    Yes    classic-simp    Classic No Dots Or Letters
 12    Classic    Yes    classic        The Default Classic Logo
 13    Classic    Yes    core        Core Linux Logo
 14    Banner    Yes    debian_banner_2    Debian Banner 2
 15    Banner    Yes    debian_banner    Debian Banner (white)
 16    Classic    Yes    debian_old    Debian Old Penguin Logos
 17    Classic    Yes    debian        Debian Swirl Logos
 18    Classic    Yes    gnu_linux    Classic GNU/Linux
 19    Banner    Yes    mandrake_banner    Mandrake(TM) Linux Banner
 20    Banner    Yes    mandrake    Mandrakelinux(TM) Banner
 21    Banner    Yes    mandriva    Mandriva(TM) Linux Banner
 22    Banner    Yes    pld        PLD Linux banner
 23    Classic    Yes    raspi        An ASCII Raspberry Pi logo
 24    Banner    Yes    redhat        RedHat Banner (white)
 25    Banner    Yes    slackware    Slackware Logo
 26    Banner    Yes    sme        SME Server Banner Logo
 27    Banner    Yes    sourcemage_ban    Source Mage GNU/Linux banner
 28    Banner    Yes    sourcemage    Source Mage GNU/Linux large
 29    Banner    Yes    suse        SUSE Logo
 30    Banner    Yes    ubuntu        Ubuntu Logo
 	
 Do "linux_logo -L num" where num is from above to get the appropriate logo.
 Remember to also use -a to get ascii version.

Next we start using the command to print the logo in a loop on the terminal:

for i in {1..30};do linux_logo -f -L $i;sleep 2;done

The rendering is as follows:

sl: steam train

Installation and use:

sudo apt install sl
sl

The ls command is used to view the contents of a folder. If ls is written backwards, sl will output a beeping train, as shown in the figure below:

Note: This command will also run when typing LS

fortune: humor

Installation and use:

sudo apt install fortune
fortune

Rendering:

Of course these are all in English. If you need it to output 300 Chinese Tang poems, then:

sudo apt install fortune-zh
fortune-zh

Rendering:

Note: At this time, type fortune and press Enter, the output content includes Chinese and English

cowsay: Talking calf

Installation and use:

sudo apt install cowsay
 cowsay

Rendering:

Next, combine fortune and cowsay to let Mavericks speak Tang poetry:

Note: | is the pipe command character, which uses the output of one command as the input of the next command. It is often used in scripts and program writing

Similar to this command are xcowsay and cowthink, which will not be explained in detail here

toilet

Installation and use:

sudo apt install toilet
toilet

Rendering:

cmatrix:The Matrix

Installation and use:

sudo apt install cmatrix
cmatrix

Rendering:

aafire: flame

Installation and use:

sudo apt install aafire
aafire

Rendering:

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