Linux Commands and Useful Tips

 

<*> lsb_release -a

=> Show Ubuntu Os and release info

<*> sudo apt update

=> Update System 

<*> sudo apt upgrade

=> Upgrade the System

<*> pwd

=> Shows your working directory

<*> touch myname.txt

=> Create file 

<*> nano myname.txt

=> myname.txt file editing

after completing enter ctrl+x then save press Y

<*> Cat myname.txt

=> cat for show content of any file.

<*> shred file.txt

=> it destroy file contents

<*> mkdir mynewdirectory

=> Create folder

<*> mv newfile.awesome ./mynewdirectory/newfile.awesome

=> Move file source -> destination

<*> ls mynewdirectory/

=> check all folders and files inside. it shows newfile.awesome

<*>  rm myname.txt

=> remove file

<*> rm -r mynewdirectory

=> All directory and files are deleted.

<*> rmdir mynewdirectory

=> If directory has contains some files, then not possible to delete it.

<*> clear

=> clear the terminal

<*> whoami

=> shows the details 

<*> sudo useradd nick

=> it's needs a password and sets

<*> sudo adduser rabia

=> it's add new user with some extra 

<*> su rabia

=> switch user

<*> exit 

=> exit commands used to exit in lot of places

<*> sudo passwd [username]

=> password set

<*> whereis [app]

=> shows it's location

<*> curl

=> network resource download

<*> zip, unzip

=> zip file

<*> cmp 

=> compare files

<*> diff

=> different location track

<*> chmod

<*> chown

<*> ifconfig

<*> sudo apt install net-tools

<*> grep

<*> awk

<*> resolvectl status

<*> ping

<*> traceroute 

<*> netstat

<*> netstat -tulpn

<*> ss -tulpn

<*> ufw

<*> uname -a

<*> neofetch

<*> cal

<*> free

<*> df -H

<*> ps

<*> ps -aux

<*> htop

<*> kill -9 processid

<*> pkill

<*> systemctl

<*> history

<*> sudo shutdown -h now

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<*> ranger => For show file

<*> trash-list

<*> trash-empty

<*> pfetch => shows os & memory data

<*> neofetch => shows os & memory data

<*> htop => process status

<*> ncdu => storage scan

<*> hollywood => terminal animation

<*> sneakers => animation type