Important Commands In Linux

Chapter: Linux Commands Last Updated: 24-08-2023 17:40:36 UTC


            /* ............... START ............... */
Important commands in linux with examples
                /* ............... END ............... */


ls: List files and directories in the current directory.
Example: ls -l

cd: Change the current directory.
Example: cd /path/to/directory

pwd: Print the current working directory.

mkdir: Create a new directory.
Example: mkdir new_directory

rm: Remove files or directories.
Example: rm file.txt or rm -r directory

cp: Copy files or directories.
Example: cp file.txt /path/to/destination

mv: Move (rename) files or directories.
Example: mv old_file.txt new_file.txt or mv file.txt /new/directory

touch: Create an empty file.
Example: touch file.txt

cat: Display the contents of a file.
Example: cat file.txt

nano or vim: Text editors for creating or editing files.
Example: nano file.txt or vim file.txt

grep: Search for a pattern in files.
Example: grep "pattern" file.txt

chmod: Change file permissions.
Example: chmod 755

chown: Change file ownership.
Example: chown user:group file.txt

ps: Display information about running processes.
Example: ps aux

top: Monitor system processes and resource usage.

kill: Terminate a process.
Example: kill process_id

df: Display disk space usage.
Example: df -h

du: Display file and directory space usage.
Example: du -h file.txt

wget: Download files from the web.
Example: wget

scp: Securely copy files between hosts over SSH.
Example: scp file.txt user@remote_host:/path/to/destination

ssh: Securely access a remote server.
Example: ssh user@remote_host

tar: Compress or extract files and directories.
Example: tar -cvf archive.tar files/ or tar -xvf archive.tar

apt-get or yum: Package managers for installing software on Debian-based or Red Hat-based systems, respectively.
Example: apt-get install package_name or yum install package_name

systemctl: Control system services (systemd).
Example: systemctl start service_name

ifconfig or ip: Network configuration and information.
Example: ifconfig or ip addr show

Remember to always refer to the manual pages for these commands using the man 
command (e.g., man ls) to get detailed information about their options and usage.
Similar Programs Chapter Last Updated
How To Enable Permission On File Linux Ubuntu Linux Commands 26-08-2023
Linux Command To Give All Permissions To A File Linux Commands 24-08-2023
Important Network Commands In Linux Linux Commands 24-08-2023
Grep Command In Linux Example Linux Commands 10-05-2023
Traceroute Command In Ubuntu Linux Commands 10-05-2023
Linux Command To Count Number Of Files In A Directory Linux Commands 18-03-2023
Linux Version Command Linux Commands 01-12-2020
Unzip Command In Linux Linux Commands 20-11-2019
Process Command In Linux Linux Commands 16-11-2019
Linux Command To Create Link Linux Commands 15-11-2019
Linux Command To View File Content Linux Commands 25-10-2019
Linux Command To Check OS Version Linux Commands 25-10-2019
Netstat Command In Linux Linux Commands 13-08-2019
Telnet Command In Linux Linux Commands 13-08-2019
Linux Command To Create A File Linux Commands 23-05-2019
Linux echo Command Linux Commands 05-05-2018
Linux Ping Command Linux Commands 05-05-2018
Linux ls (List Directory) Command Linux Commands 17-03-2018