cli-sedHow can I use the Linux command line to edit text files using sed?

The sed command is a powerful Linux command line tool used for editing text files. It has many features and can be used to perform a wide range of operations. Here is an example of how to use sed to edit a text file:

sed -i 's/old/new/g' filename

This command replaces all occurrences of the string old with the string new in the file named filename.

Here is a list of the parts of the command:

• sed: The command itself.
• -i: This option tells sed to edit the file in place instead of writing the output to the terminal.
• s/old/new/g: This is the substitution command. It tells sed to replace all occurrences of old with new.
• filename: The name of the file to be edited.

For more information, see the following links:

• sed man page
• sed tutorial

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