systemd-run: update page (#9911)

* systemd-run: update page

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Jack Lin <blueskyson1401@gmail.com>
Co-authored-by: Emily Grace Seville <EmilySeville7cfg@gmail.com>

pages/linux/systemd-run.md

@@ -1,7 +1,7 @@
 # systemd-run
 
-> Run programs in transient units.
-> More information: <https://manned.org/systemd-run>.
+> Run programs in transient scope units, service units, or path-, socket-, or timer-triggered service units.
+> More information: <https://www.freedesktop.org/software/systemd/man/systemd-run.html>.
 
 - Start a transient service:
 
@@ -22,3 +22,15 @@
 - Start a transient timer that periodically runs its transient service (see `man systemd.time` for calendar event format):
 
 `sudo systemd-run --on-calendar={{calendar_event}} {{command}} {{argument1 argument2 ...}}`
+
+- Share the terminal with the program (allowing interactive input/output) and make sure the execution details remain after the program exits:
+
+`systemd-run  --remain-after-exit --pty {{executable}}`
+
+- Set properties (e.g. CPUQuota, MemoryMax) of the process and wait until it exits:
+
+`systemd-run --property MemoryMax={{memory_in_bytes}} --property CPUQuota={{percentage_of_CPU_time}}% --wait {{executable}}`
+
+- Use the program in a shell pipeline:
+
+`{{executable1}} | systemd-run --pipe {{executable2}} | {{executable3}}`