nseq.1s

seq [OPTION]... LAST
seq [OPTION]... FIRST LAST
seq [OPTION]... FIRST INCREMENT LAST

LAST
    The final number in the sequence. If only one number is provided, the sequence starts from 1.

FIRST
    The starting number of the sequence. Default is 1 if omitted.

INCREMENT
    The step value between consecutive numbers. Can be positive or negative. Default is 1 if omitted.

-f, --format=FORMAT
    Uses a printf-style FORMAT string for outputting each number. Useful for custom padding or prefixes.

-s, --separator=STRING
    Uses STRING to separate numbers. The default separator is a newline character (\n).

-w, --equal-width
    Pads numbers with leading zeros to ensure all numbers have the same width as the widest number in the sequence. Affects both FIRST, INCREMENT, and LAST.

--help
    Displays a help message and exits.

--version
    Outputs version information and exits.

The seq command (assumed to be the intended command, as 'nseq.1s' is not standard) is a command-line utility used to generate sequences of numbers. It prints each number on a separate line by default, but this behavior can be customized. Users can specify a single LAST number to generate a sequence from 1 up to LAST, or provide FIRST and LAST numbers for a specific range. For more control, an INCREMENT value can be included to define the step size between numbers, allowing for arithmetic sequences (increasing or decreasing).

seq is highly versatile, supporting floating-point numbers for FIRST, INCREMENT, and LAST. It can also format the output using printf-style format strings, pad numbers with leading zeros to equalize width, and customize the separator between numbers. This utility is a staple in shell scripting for tasks requiring iteration, generating lists of numbers, creating test data, or automating repetitive operations.

The command 'nseq.1s' is not a standard, recognized Linux command or man page section. This analysis is based on the assumption that the user intended to inquire about the 'seq(1)' command, which is a common utility for generating number sequences. The suffix '.1s' is not a standard man page section indicator; standard sections typically consist of a single digit (e.g., '.1' for user commands, '.3' for library functions). If 'nseq' refers to a custom script or an obscure utility, its functionality would differ from this description.

The seq command is a fundamental utility included in GNU Core Utilities, a standard suite of essential commands found in Unix-like operating systems, especially Linux distributions. Its development aimed to provide a straightforward and efficient way to generate numerical sequences, a common requirement in shell scripting and automated tasks. Prior to seq, generating such sequences often involved more complex shell arithmetic or loops. Its integration into core utilities underscores its importance and widespread adoption since the early days of modern Unix-like systems, ensuring consistent behavior across various environments.

awk(1), printf(1), bc(1)