The shell can run commands in the foreground (blocking the prompt) or background (ampersand suffix). Ctrl+Z suspends a foreground job; fg brings it back, bg resumes it in the background. jobs lists job numbers for the current shell session — distinct from system-wide PIDs.
Patterns
Content is available with subscription.
Get full access to all courses on the platform for one year with a single payment.
▼
Unlike other platforms that charge per course, here you get everything for one price, and after one year of use there will be no automatic charge for the following year.