Interesting commands under Linux

Let’s learn some fun commands in Linux

Installation and use:

sudo apt install screenfetch screenfetch

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Installation and use:

sudo apt install linuxlogo linux_logo

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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

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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

Installation and use:

sudo apt install fortune fortune

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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

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

Installation and use:

sudo apt install cowsay cowsay

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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

Installation and use:

sudo apt install toilet toilet

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Installation and use:

sudo apt install cmatrix cmatrix

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Installation and use:

sudo apt install aafire aafire

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