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who

file managementLinux/Unix
The who command is one of the most frequently used commands in Linux/Unix-like operating systems. who Sample fallback description for who
See ExamplesView Syntax

Quick Reference

Command Name:

who

Category:

file management

Platform:

Linux/Unix

Basic Usage:

who [options] [arguments]

Common Use Cases

    Syntax

    who [OPTION]... [FILE]...

    Options

    Option Description
    -l Use a long listing format
    -a Show hidden entries starting with .
    -h Human-readable sizes
    -R List subdirectories recursively

    Examples

    How to Use These Examples

    The examples below show common ways to use the who command. Try them in your terminal to see the results. You can copy any example by clicking on the code block.

    Basic Examples:

    ls
    List files in the current directory.
    ls -l
    List files in long format with details.
    ls -a
    List all files including hidden ones.

    Advanced Examples:

    ls -lah Detailed list with human-readable sizes. ls -R List directories recursively.

    Try It Yourself

    Practice makes perfect! The best way to learn is by trying these examples on your own system with real files.

    Understanding Syntax

    Pay attention to the syntax coloring: commands, options, and file paths are highlighted differently.

    Notes

    These are sample notes for the who command.

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    These commands are frequently used alongside who or serve similar purposes:

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    Use Cases

    Learn By Doing

    The best way to learn Linux commands is by practicing. Try out these examples in your terminal to build muscle memory and understand how the who command works in different scenarios.

    See ExamplesTry Lab Exercises
    $ who
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