Viewing Files
When working on the command line, you will most likely encounter plenty of opportunities for viewing log files, configuration files, or another other type of normal file. Table A.4 lists commands used for this purpose. Table A.4. Commands Used to View Files | COMMAND | GENERAL USAGE | DESCRIPTION |
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| cat | cat FILE | Concatenates files and displays output on standard out (typically the screen). | | head | head [OPTIONS] FILE | Displays the first 10 lines of text from the specified file. Common options include -[N]
Displays the first N number of lines | | less | less FILE | Paging utility used to display text files. | | more | more FILE | Paging utility used to display text files. | | od | od [OPTIONS] FILE | Displays the specified file in octal mode. Common options include -h
Hexadecimal display | | strings | strings FILE | Prints text strings four characters long or longer from binary files. | | tail | tail [OPTIONS] FILE | Displays the last 10 lines of text from the specified file. Common options include -[N]
Displays the last N amount of lines -f
Follows an active log file |
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