The command that will list all running processes on your system, sorted by memory usage in descending order is `ps aux --sort=-%mem`.

Here's a step-by-step breakdown of how this command works:

1. `ps`: This is the command that reports a snapshot of the current processes.

2. `aux`: These are options to the `ps` command.
- `a` shows processes for all users
- `u` displays the process's user/owner
- `x` also shows processes not attached to a terminal

3. `--sort=-%mem`: This option sorts the process listing by the memory usage in descending order. The `-` sign before `%mem` indicates descending order.

Please note that the commands you provided in the question either do not sort the processes by memory usage or do not display all running processes. For example, `top -mh` and `top --sort-memory` are not valid commands, and `free -m | sort -r -k 2` displays memory usage, not running processes.

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The command that will list all running processes on your system, sorted by memory usage in descending order is `ps aux --sort=-%mem`.

Here's a step-by-step breakdown of how this command works:

1. `ps`: This is the command that reports a snapshot of the current processes.

2. `aux`: These are options to the `ps` command. 
   - `a` shows processes for all users
   - `u` displays the process's user/owner
   - `x` also shows processes not attached to a terminal

3. `--sort=-%mem`: This option sorts the process listing by the memory usage in descending order. The `-` sign before `%mem` indicates descending order.

Please note that the commands you provided in the question either do not sort the processes by memory usage or do not display all running processes. For example, `top -mh` and `top --sort-memory` are not valid commands, and `free -m | sort -r -k 2` displays memory usage, not running processes.

Knowee AI · Accepted Answer

The command that will list all running processes on your system, sorted by memory usage in descending order is `ps aux --sort=-%mem`.

Here's a step-by-step breakdown of how this command works:

1. `ps`: This is the command that reports a snapshot of the current processes.

2. `aux`: These are options to the `ps` command. 
   - `a` shows processes for all users
   - `u` displays the process's user/owner
   - `x` also shows processes not attached to a terminal

3. `--sort=-%mem`: This option sorts the process listing by the memory usage in descending order. The `-` sign before `%mem` indicates descending order.

Please note that the commands you provided in the question either do not sort the processes by memory usage or do not display all running processes. For example, `top -mh` and `top --sort-memory` are not valid commands, and `free -m | sort -r -k 2` displays memory usage, not running processes.

You want to list all running processes on your system, sorted by memory usage in descending order. Which command will achieve this?1.0 Marksfree -m | sort -r -k 2ps aux | sort -n -k 4top -mhtop --sort-memoryps -e | sort -r -k 5

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