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Unix vim editor can be useful for file processing and editing.

Escape Mode Commands:

• A -> will append the upcoming text at the end of the file
• i -> Will change the vim editor into insert mode to enter content.
• o -> Insert new line (below)
• O-> Insert new line (above)
• w -> move by word (forward)
• b -> move by word (backward)
• ) -> move by line (forward)
• ( -> move by line (backward)
• } -> move by paragraph (forward)
• { -> move by paragraph (backward)
• p -> paste
• u -> undo
• ctrl+r -> redo

• To jump to a particular line.

:linenumber

• To go the last line: G

Few file related commands in Unix Operating System.

• The “wc” can be used to count the number of lines, words and characters in a file.

Example:

wc filename -> will list the number of lines, words and characters.

wc -l filename -> will list the number of lines.

wc -w filename -> will list the number of words

wc -c filename -> will list the number of characters.

• To find the duplicate lines in a file, we can use the “uniq” command.

Example:

uniq filename -> will list the distinct lines (removes the duplicate lines in a consecutive order).

File Copying in UNIX:

We can copy the files by using the unix command “cp”, The “cp” command requires “source” & “destination”.

Example:

cp “mysourcefile.extension” “destinationpath/destinationfile.extension”.

Creating a Folder or Directory in Unix:

We can create the directory using the “mkdir” command.

Example: mkdir “foldername”.

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