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Syntax $ finger usernameĮxample: $ finger user1 Networking Commands It gives the login details of that particular user. It is a user information lookup command which provides details of all users logged in. This command is used to add and delete users on Linux. It is helpful to change the user password. Syntax is $ export Variable=valueĮxample: $ export Variable1=90 User Management Commands of Linux It is helpful to set the value of an environment variable. Syntax is $ VARIABLE_NAME= variable_value It creates a new variable and assigns it a value. Its syntax is echo Įxample: $ echo “Print this line” or $ echo $VARIABLE var1 It displays the value of a variable or prints a text of the line. Syntax is $ chown user:group filenameĮxample: $ chown user:group sum Environment Variables Command It changes the user and group for a file or directory. It is helpful to change the ownership of a file/directory. This command is used when you want to give no permission to a file. It is useful to provide execute permission to the file. It is used to give read permission to a file. Use this command to show file type and access permission of any particular file.
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Its syntax is $ mail -s “Subject” to-address < FilenameĮxample: $ mail -s “Addition of Numbers” < Addition File Permission Commands It is used to send an email with an attachment. Syntax is $ mail -s ‘subject’ -c ‘cc-address’ -b ‘bcc-address’ ‘to-address’Įxample: $ mail -s ‘regarding_job’ -c -b mail -s “Subject” to-address < Filename Command:
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It is used to install new software packages, remove available software packages, upgrade existing software packages, and upgrade the entire operating system.
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It is a powerful and free front end package manager for Debian/Ubuntu systems. It prints the c number of copies of a file. This command denotes the file with the line numbers. It is useful to assign a header to the file. mv command also moves a file or a directory to another location in the directory structure. It is helpful to rename files or directories. It helps to remove/ delete the empty directories. $ mkdir -p new_directory: Here -p option is used to override the already available directory. It creates a new directory in the present working directory or at any specific path. The syntax is $ historyĬlear command is helpful to clear the terminal screen. It produces the list of previously used commands and gets the all past commands types in the current terminal session. It provides the help information of any commands.
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It is used to view the online reference manual pages for the commands or programs. Syntax is $ rm filename or $ rm directory It is used to remove the files or directories. Sudo command allows a permitted user to run a command as root or another user.
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It renames or changes the file name to a new file name. Syntax is $ mv file “new file path”.Įxample: $ mv add “E:/Arithmeticopeartions/”. It combines two files namely file1 and file2 and stores the output in a new file called file3. It displays the content in that particular file. Syntax is $ cd /Ĭreate a new file using this command in Linux. This command will move to the root directory. Use this command to change to a particular directory. This command will navigate to the home directory or change the directory. It lists all files details and directories with detailed information like permissions, size, owner, etc. It lists all files including hidden files starting with’.’ Its syntax is $ ls -a List recursively directory tree and syntax is $ ls -R It gives the lists files in subdirectories. The ‘-l’ option gives the long listing format.
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It is used to list all files and directories of a directory. Check the actual description of each Linux command in their manual page. We are giving a detailed explanation for each and every Linux command with their examples for easy learning in the below sections. They are Basic Linux commands, File permission commands, Environment variables commands, User management commands, Networking commands, Process commands, VI Editing commands, Other Commands. You can also learn Google Sheets Tips – New Google Spreadsheet Hacks, Tricks with Examples Types of Linux CommandsĪll the Linux commands are categorized into 7 different types. is a free Python tutorial website for people who want to learn Python, fast. Generally, we use some of the Linux commands from the Linux commands cheat sheet regularly to perform the common tasks. Do you want to learn the Linux commands? If yes, then you are in the right place.