f Verified current stable Not installed? System Operations

F / Search Running Processes

Search Running Processes

Search through currently running processes based on the input filter.

$
Terminal
<f>

When To Use

During a performance evaluation to pinpoint resource-hogging processes.

Pro Tip

Use a combination of regex filters for targeted searching.

Anatomy of Output

Understanding the result

PID 12345 myapp 0.2 19 8.9/4.5 1.5 Process Information

Includes PID, name, CPU, and memory stats.

Found 8 matching processes Match Count

Summarizes the number of matched processes.

Search completed in 0.02s Execution Time

Measures the search duration.

Power User Variants

Optimized versions

f 'myapp.*'

Use regex to filter specific applications.

f 'python' | grep 'error'

Search for Python processes with an error keyword.

Troubleshooting

Common pitfalls

No running processes match 'f'

Solution: Ensure the filter string is applicable.

Permission denied: unable to search all processes

Solution: Run with sufficient privileges.

Unexpected input: <f>

Solution: Verify that input format aligns with expected parameters.

Command Breakdown

What each part is doing

<f>
Base Command
The executable that performs this operation. Here it runs F before the shell applies any redirect operators.

Alternative Approaches

Comparable commands in other tools

Alternative system operations tools for the same job.