Linux-Commands

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Top 50 Most Frequently Used Linux Commands

• ls – The most frequently used command in Linux to list directories

• pwd – Print working directory command in Linux

• cd – Linux command to navigate through directories

• mkdir – Command used to create directories in Linux

• mv – Move or rename files in Linux

• cp – Similar usage as mv but for copying files in Linux

• rm – Delete files or directories

• touch – Create blank/empty files

• ln – Create symbolic links (shortcuts) to other files

• cat – Display file contents on the terminal

• clear – Clear the terminal display

• echo – Print any text that follows the command

• less – Linux command to display paged outputs in the terminal

• man – Access manual pages for all Linux commands

• uname – Linux command to get basic information about the OS

• whoami – Get the active username

• tar – Command to extract and compress files in Linux

• grep – Search for a string within an output

• head – Return the specified number of lines from the top

• tail – Return the specified number of lines from the bottom

• diff – Find the difference between two files

• cmp – Allows you to check if two files are identical

• comm – Combines the functionality of diff and cmp

• sort – Linux command to sort the content of a file while outputting

• export – Export environment variables in Linux

• zip – Zip files in Linux

• unzip – Unzip files in Linux

• ssh – Secure Shell command in Linux

• service – Linux command to start and stop services

• ps – Display active processes

• kill and killall – Kill active processes by process ID or name

• df – Display disk filesystem information

• mount – Mount file systems in Linux

• chmod – command to change file permissions

• chown – Command for granting ownership of files or folders

• ifconfig – Display network interfaces and IP addresses

• traceroute – Trace all the network hops to reach the destination

• wget – Direct download files from the internet

• ufw – Firewall command

• iptables – Base firewall for all other firewall utilities to interface with

• apt, pacman, yum, rpm – Package managers depending on the distro

• sudo – Command to escalate privileges in Linux

• cal – View a command-line calendar

• alias – Create custom shortcuts for your regularly used commands

• dd – Majorly used for creating bootable USB sticks

• whereis – Locate the binary, source, and manual pages for a command

• whatis – Find what a command is used for

• top – View active processes live with their system usage

• useradd and usermod – Add new user or change existing users’ data

• passwd – Create or update passwords for existing users

• shutdown - Halt, power-off or reboot the machine

• wc - wordlist count form txt file without open a file

• ip – from Iproute2, a collection of utilities for controlling TCP/IP networking and traffic control in Linux.

• du - estimate file space usage

• free - display memory usage

• find - locates files based on some user-specified criteria.

• ncdu - a disk utility for Unix systems