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What output will the following command sequence produce?
echo '1 2 3 4 5 6' | while read a b c; do
echo result: $c $b $a;
done
Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?
The LC_MESSAGES environment variable specifies the language to use in diagnostic messages for an internationalized program. It can be set to any value supported by the installation, such as pt for Portuguese, en for English, fr for French, etc. The LC_MESSAGES variable can be set either globally in a shell profile file, such as /etc/bash_profile, or locally in a shell session. For example, to set the language of messages to Portuguese for the current shell session, one can use the following command:
export LC_MESSAGES=pt
To verify the change, one can run an internationalized program, such as man, and see the output in Portuguese. The LC_MESSAGES variable can also be used to run a single command with a different language without affecting the system's language. For example, to run the man command with the Spanish language, one can use the following syntax:
LC_MESSAGES=es man
Locale Environment Variables in Linux | Baeldung on Linux
Linux / UNIX: TZ Environment Variable - nixCraft
Changing your locale on Linux and UNIX systems - IBM
Selecting message language in gcc and g++ - Stack Overflow
Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)
IP_address canonical_hostname [aliases...]
whereIP_addressis the IPv4 or IPv6 address of the host,canonical_hostnameis the official name of the host, andaliasesare optional alternative names for the host. Each field is separated by whitespace (spaces or tabs). The#character indicates the beginning of a comment, and the rest of the line is ignored.
1: hosts(5) - Linux manual page - man7.org
Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?
What is true regarding the file ~/.forward?
alice@example.com, bob@example.com