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# Linux rhmask Command [ Linux Command Manual](#) The Linux rhmask command is used to encrypt and decrypt files. Executing the rhmask command creates an encrypted file, allowing users to transmit the file over public networks without fear of unauthorized access. ### Syntax rhmask or rhmask **Parameters**: * -d Generates an encrypted file. ### Example Use the "rhmask" command to encrypt the encrypted file "code.txt" and save it as the output file "demo.txt" by entering the following command: $ rhmask code.txt demo.txt After the above command is executed, the file "code.txt" will be encrypted and saved as the encrypted file "demo.txt". Note: This command has two syntaxes, and users can choose which one to use as needed. [ Linux Command Manual](#)