- List the files and folders in the current directory.
- Change the present directory.
- pwd: Display the path of the current working directory.
- Create a new directory using the mkdir command.
- rmdir: Remove an empty directory.
- touch: create a new empty file or update the timestamp of an existing file.
- Copy files and directories.
- mv command: move or rename files and directories.
- rm: remove files and directories.
- cat: concatenate files and print on standard output.
- show the content of the file by pages.
- Less: Similar to more, but offers additional features.
- head: display the first few lines of a file.
- tail: display the last few lines of a file.
- print a string on the standard output.
- grep: Search for matching patterns in a file.
- Search for files and directories.
- Word count: counting the number of lines, words, and characters in a file.
- sort: Sort the lines of the file.
- Uniq: remove duplicate lines from a file.
- tar: create, view, or extract tar archive files.
- gzip: compress file.
- gunzip: decompressing files.
- zip: Create, view, or extract zip archive files.
- unzip: decompressing zip files.
- secure remote login to another computer using SSH.
- scp: Securely copy files and directories to another computer.
- wget: download files or web pages.
- curl: Sending HTTP requests and retrieving responses through URLs.
- ping: testing the network connection with another computer.
- ifconfig is used to display and configure network interfaces.
- Netstat: Displays information about network connections, routing tables, and network interfaces.
- display and configure IP routing table.
- iptables: Setting up firewall rules on Linux.
- Display the status of processes.
- top: Display real-time system resource usage.
- terminate a process.
- Command uname displays system information.
- df: Display the usage of disk space.
- Display the disk usage of directories or files.
- mount: Attach a file system.
- Unmount: Remove file system.
- chmod: Change the permissions of a file or directory.
- chown: Change the owner of a file or directory.
- change the group ownership of a file or directory.
- Switch user identity.
- sudo: execute command as a superuser.
- Change user’s password.
- View command history.
- alias: Create a command alias.
- Show or set the system date and time.
- Show the currently logged-in user.
- uptime: displays the system’s running time and load.
- power off the computer.
- restart the computer.
- ifup: Start the network interface.
- ifdown: disable the network interface.
- service: Start, stop or restart system services.
- Crontab: create, edit, or view scheduled tasks.
- Display command history.
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