$ ps -fax
Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.8/FAQ
  PID TTY      STAT   TIME COMMAND
    2 ?        S      0:00 [kthreadd]
    3 ?        S      0:03  \_ [ksoftirqd/0]
    5 ?        S<     0:00  \_ [kworker/0:0H]
    7 ?        S<     0:00  \_ [kworker/u:0H]
    8 ?        S      0:02  \_ [migration/0]
    9 ?        S      0:00  \_ [watchdog/0]
   10 ?        S      0:00  \_ [migration/1]
   12 ?        S<     0:00  \_ [kworker/1:0H]
   13 ?        S      0:03  \_ [ksoftirqd/1]
   14 ?        S      0:00  \_ [watchdog/1]
   15 ?        S<     0:00  \_ [cpuset]
   16 ?        S<     0:00  \_ [khelper]
   17 ?        S      0:00  \_ [kdevtmpfs]
   18 ?        S<     0:00  \_ [netns]
   19 ?        S      0:00  \_ [bdi-default]
   20 ?        S<     0:00  \_ [kintegrityd]
   21 ?        S<     0:00  \_ [kblockd]
   22 ?        S<     0:00  \_ [ata_sff]
   23 ?        S      0:00  \_ [khubd]
   24 ?        S<     0:00  \_ [md]
   28 ?        S      0:36  \_ [kswapd0]
   29 ?        SN     0:00  \_ [ksmd]
   30 ?        SN     0:11  \_ [khugepaged]
   31 ?        S      0:00  \_ [fsnotify_mark]
   32 ?        S<     0:00  \_ [crypto]
   40 ?        S<     0:00  \_ [kthrotld]
   42 ?        S      0:00  \_ [scsi_eh_0]
   43 ?        S      0:00  \_ [scsi_eh_1]
   44 ?        S      0:00  \_ [scsi_eh_2]
   45 ?        S      0:00  \_ [scsi_eh_3]
   46 ?        S      0:00  \_ [scsi_eh_4]
   47 ?        S      0:00  \_ [scsi_eh_5]
   53 ?        S<     0:00  \_ [kpsmoused]
   54 ?        S<     0:00  \_ [deferwq]
   60 ?        S<     0:01  \_ [kworker/1:1H]
  152 ?        S<     0:00  \_ [ttm_swap]
  153 ?        S      0:00  \_ [scsi_eh_6]
  154 ?        S      0:00  \_ [usb-storage]
  270 ?        S<     0:00  \_ [kworker/0:1H]
  271 ?        S<     0:00  \_ [kdmflush]
  272 ?        S<     0:00  \_ [kdmflush]
  321 ?        S      0:00  \_ [jbd2/dm-1-8]
  322 ?        S<     0:00  \_ [ext4-dio-unwrit]
  347 ?        S      0:00  \_ [flush-253:1]
  362 ?        S      0:00  \_ [kauditd]
  409 ?        S<     0:00  \_ [iprt]
  550 ?        S<     0:00  \_ [kvm-irqfd-clean]
  605 ?        S<     0:00  \_ [hd-audio0]
  608 ?        S<     0:00  \_ [hd-audio1]
  647 ?        S<     0:00  \_ [kdmflush]
  656 ?        S      0:00  \_ [jbd2/sda1-8]
  658 ?        S<     0:00  \_ [ext4-dio-unwrit]
  672 ?        S      0:03  \_ [flush-253:2]
  685 ?        S      0:04  \_ [jbd2/dm-2-8]
  686 ?        S<     0:00  \_ [ext4-dio-unwrit]
  878 ?        S<     0:00  \_ [rpciod]
14664 ?        S      0:49  \_ [kworker/u:0]
17312 ?        S      0:01  \_ [kworker/1:2]
17915 ?        S      0:15  \_ [kworker/u:2]
18078 ?        S      0:00  \_ [kworker/0:2]
18095 ?        S      0:00  \_ [kworker/1:0]
18239 ?        S      0:00  \_ [kworker/0:0]
18247 ?        S      0:00  \_ [kworker/1:1]
18406 ?        S      0:00  \_ [kworker/1:3]
18407 ?        S      0:00  \_ [kworker/0:1]
    1 ?        Ss     0:06 /usr/lib/systemd/systemd
  361 ?        Ss     0:06 /usr/lib/systemd/systemd-journald
  363 ?        Ss     0:00 /usr/lib/udev/udevd
15033 ?        S      0:00  \_ /usr/lib/udev/udevd
17916 ?        S      0:00  \_ /usr/lib/udev/udevd
  699 ?        S<sl   0:00 /sbin/auditd -n
  740 ?        S<sl   0:00  \_ /sbin/audispd
  748 ?        S<     0:00      \_ /usr/sbin/sedispatch
  714 ?        Ss     0:00 /usr/sbin/abrtd -d -s
  717 ?        Ss     0:00 /usr/sbin/smartd -n -q never
  728 ?        Ssl    0:01 /usr/sbin/NetworkManager --no-daemon
  918 ?        S      0:00  \_ /sbin/dhclient -d -4 -sf /usr/libexec/nm-dhcp-client.action -pf /var/run/dhclient-em1.pid -lf /var/lib/dhclient
  731 ?        Ss     0:00 /usr/bin/abrt-watch-log -F BUG corruption stack overflow protection fault WARNING: at nable to handle ouble fault:
  754 ?        Ss     0:00 /usr/lib/systemd/systemd-logind
  756 ?        Ss     0:00 /usr/bin/system-setup-keyboard
  759 ?        Ss     0:00 avahi-daemon: running [e350.local]
  777 ?        S      0:00  \_ avahi-daemon: chroot helper
  762 ?        Ssl    0:00 /sbin/rsyslogd -n -c 5
  779 ?        Ss     0:02 /usr/sbin/irqbalance
  783 ?        Ss     0:02 /usr/sbin/acpid
  785 ?        Ss     0:00 /usr/sbin/mcelog --ignorenodev --daemon --foreground
  794 ?        S      0:00 /usr/sbin/chronyd -u chrony
  803 ?        Ssl    0:09 /bin/dbus-daemon --system --address=systemd: --nofork --systemd-activation
  804 ?        Ss     0:00 /usr/sbin/atd -f
  805 ?        Ss     0:01 /usr/sbin/crond -n
  825 ?        Sl     0:11 /usr/libexec/polkit-1/polkitd --no-debug
  831 ?        S      0:00 /usr/sbin/modem-manager
  833 ?        Ss     0:00 /usr/sbin/bluetoothd -n
  855 ?        Ss     0:00 /sbin/rpcbind -w 
  887 ?        Ss     0:00 /sbin/rpc.statd
  924 ?        Ss     0:00 /usr/bin/kdm -nodaemon
  930 tty1     Ss+   27:24  \_ /usr/bin/X :0 vt1 -background none -nolisten tcp -auth /var/run/kdm/A:0-4NaCAa
  934 ?        S      0:00  \_ -:0                   
 1041 ?        Ss     0:00      \_ /bin/sh /usr/bin/startkde
 1085 ?        Ss     0:00          \_ /usr/bin/ssh-agent /etc/X11/xinit/Xclients
 1172 ?        S      0:00          \_ kwrapper4 ksmserver
  959 ?        Ss     0:02 sendmail: accepting connections
  994 ?        Ss     0:00 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
 1056 ?        S      0:00 dbus-launch --sh-syntax --exit-with-session
 1057 ?        Ssl    0:37 /bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
 1118 ?        S      0:00 /usr/libexec/kde4/start_kdeinit +kcminit_startup
 1119 ?        Ss     0:00 kdeinit4: kdeinit4 Running...                  
 1120 ?        S      0:00  \_ klauncher --fd=9
 1180 ?        Sl     0:01  \_ ksmserver
 1245 ?        Sl     0:00  \_ /usr/bin/nepomukserver
 1254 ?        SNl    1:27  |   \_ /usr/bin/nepomukservicestub nepomukstorage
 1567 ?        SNl   11:05  |   |   \_ /usr/bin/virtuoso-t +foreground +configfile /tmp/virtuoso_hX1254.ini +wait
 2214 ?        SN     0:00  |   \_ /usr/bin/nepomukservicestub nepomukbackupsync
 2216 ?        SNl    0:26  |   \_ /usr/bin/nepomukservicestub nepomukfileindexer
 2217 ?        SNl    0:20  |   \_ /usr/bin/nepomukservicestub nepomukfilewatch
 2218 ?        SN     0:00  |   \_ /usr/bin/nepomukservicestub nepomukqueryservice
 1653 ?        Sl     0:00  \_ /usr/bin/abrt-applet
 1668 ?        S      0:02  \_ python /usr/bin/printer-applet
 1805 ?        Sl     0:00  \_ /usr/bin/seapplet
 1823 ?        Sl     0:00  \_ /usr/bin/xsettings-kde
 3251 ?        S      0:00  \_ /usr/libexec/kde4/kio_http_cache_cleaner
18111 ?        Sl     1:00  \_ /usr/lib/chromium-browser/chromium-browser --enable-plugins --enable-extensions --enable-user-scripts --enable-
18113 ?        S      0:02      \_ /usr/lib/chromium-browser/chromium-browser --enable-plugins --enable-extensions --enable-user-scripts --ena
18114 ?        S      0:00      \_ /usr/lib/chromium-browser/chrome-sandbox /usr/lib/chromium-browser/chromium-browser --type=zygote
18115 ?        S      0:00          \_ /usr/lib/chromium-browser/chromium-browser --type=zygote
18119 ?        S      0:00              \_ /usr/lib/chromium-browser/nacl_helper_bootstrap /usr/lib/chromium-browser/nacl_helper --reserved_at
18120 ?        S      0:00              \_ /usr/lib/chromium-browser/chromium-browser --type=zygote
18155 ?        Sl     0:01                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18162 ?        Sl     0:21                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18181 ?        Sl     0:03                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18197 ?        Sl     0:01                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18204 ?        Sl     0:01                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18211 ?        Sl     0:02                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18218 ?        Sl     0:08                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18225 ?        Sl     0:03                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18232 ?        Sl     0:03                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18240 ?        Sl     0:10                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18257 ?        Sl     0:00                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18271 ?        Sl     0:02                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18278 ?        Sl     0:04                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18392 ?        Sl     0:01                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
18399 ?        Sl     0:14                  \_ /usr/lib/chromium-browser/chromium-browser --type=renderer --lang=it --force-fieldtrials=AsyncD
 1122 ?        Sl     0:20 kded4
 1127 ?        S      0:00 /usr/libexec/gam_server
 1135 ?        S      0:01 /usr/bin/kglobalaccel
 1137 ?        S      0:01 /usr/bin/kwalletd
 1141 ?        S      0:01 /usr/bin/kactivitymanagerd
 1142 ?        Ssl    0:00 /usr/libexec/upowerd
 1184 ?        Sl     0:08 /usr/libexec/udisks-daemon --no-debug
 1185 ?        S      0:00  \_ udisks-daemon: not polling any devices
 1203 ?        Sl     0:15 /usr/bin/knotify4
 1207 ?        Sl     4:21 /usr/bin/plasma-desktop
 1214 ?        S      0:00  \_ ksysguardd
 1212 ?        S      0:00 /usr/bin/kuiserver
 1217 ?        Sl     0:01 /usr/bin/akonadi_control
 1219 ?        Sl     0:02  \_ akonadiserver
 1222 ?        Sl     0:47  |   \_ /usr/libexec/mysqld --defaults-file=/home/federico/.local/share/akonadi/mysql.conf --datadir=/home/federico
 1275 ?        Sl     0:00  \_ /usr/bin/akonadi_agent_launcher akonadi_akonotes_resource akonadi_akonotes_resource_0
 1276 ?        S      0:00  \_ /usr/bin/akonadi_archivemail_agent --identifier akonadi_archivemail_agent
 1277 ?        Sl     0:00  \_ /usr/bin/akonadi_agent_launcher akonadi_contacts_resource akonadi_contacts_resource_0
 1278 ?        Sl     0:00  \_ /usr/bin/akonadi_agent_launcher akonadi_ical_resource akonadi_ical_resource_0
 1279 ?        Sl     0:00  \_ /usr/bin/akonadi_agent_launcher akonadi_maildir_resource akonadi_maildir_resource_0
 1280 ?        S      0:00  \_ /usr/bin/akonadi_maildispatcher_agent --identifier akonadi_maildispatcher_agent
 1281 ?        S      0:00  \_ /usr/bin/akonadi_mailfilter_agent --identifier akonadi_mailfilter_agent
 1283 ?        Sl     0:00  \_ /usr/bin/akonadi_nepomuk_feeder --identifier akonadi_nepomuk_feeder
 1252 ?        Sl     0:20 /usr/bin/krunner
 1292 ?        S      0:07 /usr/bin/nepomukcontroller -session 1065333530000134445033400000011500007_1351890503_52693
 1294 ?        Sl     0:06 /usr/bin/kmix -session 1065333530000134445033400000011500008_1351890502_765179
 1296 ?        S      0:00 /usr/bin/kget -session 1065333530000134445494900000009250014_1351890502_857404
 1307 ?        Sl     0:00 /usr/bin/kgpg -session 1065333530000134476963100000009250095_1351890503_479182
 1315 ?        Rl     4:34 /usr/bin/konsole -session 1065333530000134510413700000009120013_1351890502_799040
 1340 pts/0    Ss     0:00  \_ /bin/bash
17546 pts/0    S+     0:09  |   \_ top
 1347 pts/1    Ss     0:00  \_ /bin/bash
 2159 pts/1    S+     0:02  |   \_ ssh ts
 1359 pts/2    Ss     0:00  \_ /bin/bash
18109 pts/2    S+     0:00  |   \_ nano dmesg.txt
 1365 pts/3    Ss     0:00  \_ /bin/bash
18416 pts/3    R+     0:00      \_ ps -fax
 1393 ?        S<l    0:16 /usr/bin/pulseaudio --start --log-target=syslog
 1734 ?        S      0:00 /usr/libexec/gconfd-2
 2338 ?        S      0:00 /usr/libexec/kde4/apper-sentinel
14991 ?        Sl     1:04 /usr/bin/kwin --crashes 1
18079 ?        Ss     0:00 /usr/sbin/cupsd -f
18143 ?        S      0:00 /usr/libexec/gvfsd