< 1 min readTo delete a file in Linux, you can use the rm command followed by the name of the file you want to delete. For example: This will delete the file called file_to_delete if it exists in the current working directory. To delete a file in a different directory, you can specify the path to the…
< 1 min readTo remove a directory in Linux, you can use the rmdir command followed by the name of the directory you want to remove. For example: This will remove the directory called directory_to_remove if it is empty. If the directory is not empty, you will get an error message saying “Directory not empty”. To remove a…
< 1 min readTo create a directory in Linux, you can use the mkdir command followed by the name of the directory you want to create. For example: This will create a new directory called new_directory in the current working directory. You can also use the -p option to create a directory and any necessary parent directories in…
< 1 min readTo create a symbolic link in Linux, you can use the ln command with the -s option, followed by the target file and the link name. For example: This will create a symbolic link at /path/to/link that points to /path/to/target. You can also use the -t option to specify the directory where you want to…
< 1 min readTo create SSH keys in Linux, you can use the ssh-keygen command. This command will generate a public and private key pair, which you can use to securely connect to remote servers over SSH. To create an SSH key pair, open a terminal and type the following command: The ssh-keygen command will prompt you to…
< 1 min readTo get the size of a file in Ubuntu, you can use the ls command with the -l option to show detailed information about the file, including its size. For example: This will show output similar to the following: The number at the beginning of the line is the file’s size in bytes. You can…
< 1 min readTo post JSON data using curl, you can use the curl command with the -X POST option to specify the HTTP method and the -H “Content-Type: application/json” option to set the content type to JSON. You can then pass the data you want to post as a JSON string using the -d option. Here is…
< 1 min readHow to Undo in Vim? To undo the last action in Vim, you can use the u key. This key will undo the last change that you made to the document. For example, if you have made multiple changes to the document and want to undo the most recent change, you can press u to…
< 1 min readTo copy text to the clipboard in Vim, you can use the y key followed by a motion command. The y key stands for “yank” and will copy the text to the clipboard. The motion command specifies the range of text that you want to copy. For example, to copy a single line, you can…
< 1 min readTo move the cursor to the end of the line in Vim, you can use the $ key. This key moves the cursor to the last character of the current line. For example, if the cursor is currently at the beginning of a line, you can press $ to move the cursor to the end…
