change formatting

input examples are now given as

```bash
input $ARG1
```

While outputs use md's '> ' sign as a quote.

system/systemd/journal.md

@@ -2,11 +2,15 @@
 title: "journal"
 tags: [ "Documentation", "systemd" ]
 ---
+```
 
 Find errors since November
 
-> journalctl --since=2018-11-01 --grep="EXT4-fs error"
+```bash
+journalctl --since=2018-11-01 --grep="EXT4-fs error"
+```
 
 Limit size to 2G.
 
-> journalctl --vacuum-size=2G
+```bash
+journalctl --vacuum-size=2G

system/systemd/making-services.md

@@ -26,13 +26,12 @@ WantedBy=multi-user.target
 
 After making the new service, systemd requires reloading:
 
-> sudo systemctl daemon-reload
+```bash
+sudo systemctl daemon-reload
+```
 
 # Types
 
 * simple - the service cannot be called on by others.  It runs on repeat.
-
 * oneshot - the service executes once, then stops.
 
-
-

system/systemd/systemd_basics.md

@@ -2,19 +2,33 @@
 title: "systemd"
 tags: [ "Documentation", "systemd" ]
 ---
-> systemctl list-units
+```bash
+systemctl list-units
+```
 
-> sudo systemctl status mpd
+```bash
+sudo systemctl status mpd
+```
 
-> sudo systemctl daemon-reload
+```bash
+sudo systemctl daemon-reload
+```
 
-> sudo systemctl taskd.service start
+```bash
+sudo systemctl taskd.service start
+```
 
-> sudo systemctl status taskd.service
+```bash
+sudo systemctl status taskd.service
+```
 
 # Startup
 
-> sudo systemd-analyze
+```bash
+sudo systemd-analyze
+```
 
-> sudo systemd-analyze blame
+```bash
+sudo systemd-analyze blame
+```