Ways to Encrypt Files

Encrypt Files With Editors

For example, vim -x.

Encrypt Files With Passwords

# Encrypt and Compress
tar -czvf - path/to/files | openssl des3 -salt -out path/to/file.tar.gz
# Extract and Decrypt
openssl des3 -d -salt -in path/to/file.tar.gz | tar xzf -

Or more commonly, use zip.

zip -e target.zip files

Encrypt Files With GPG

Encrypt and Compress Files With GPG

# Encrypt and Compress
tar -czvf - path/to/files | gpg --encrypt --recipient [ID/name/mail] -o data.csv.gpg
# Extract and Decrypt
gpg --decrypt data.csv.gpg | tar xzf - -C path/to/dir