Linux cli command rev

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command rev and provides detailed information about the command rev, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the rev.

  less than a minute  

NAME 🖥️ rev 🖥️

reverse lines characterwise

SYNOPSIS

rev [option] [file…]

DESCRIPTION

The rev utility copies the specified files to standard output, reversing the order of characters in every line. If no files are specified, standard input is read.

This utility is a line-oriented tool and it uses in-memory allocated buffer for a whole wide-char line. If the input file is huge and without line breaks then allocating the memory for the file may be unsuccessful.

OPTIONS

-h, –help

Display help text and exit.

-V, –version

Print version and exit.

-0, –zero

Zero termination. Use the byte � as line separator.

SEE ALSO

tac(1)

REPORTING BUGS

For bug reports, use the issue tracker at <https://github.com/util-linux/util-linux/issues>.

AVAILABILITY

The rev command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.

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