标签：roo comm ubuntu ica var migration deb sch sbin
给出实验环境：
EXAMPLES To see every process on the system using standard syntax: ps -e ps -ef ps -eF ps -ely To see every process on the system using BSD syntax: ps ax ps axu To print a process tree: ps -ejH ps axjf To get info about threads: ps -eLf ps axms To get security info: ps -eo euser,ruser,suser,fuser,f,comm,label ps axZ ps -eM To see every process running as root (real & effective ID) in user format: ps -U root -u root u To see every process with a user-defined format: ps -eo pid,tid,class,rtprio,ni,pri,psr,pcpu,stat,wchan:14,comm ps axo stat,euid,ruid,tty,tpgid,sess,pgrp,ppid,pid,pcpu,comm ps -Ao pid,tt,user,fname,tmout,f,wchan Print only the process IDs of syslogd: ps -C syslogd -o pid= Print only the name of PID 42: ps -q 42 -o comm=
运行 ps -ef
chenyuekai@chenyuekai-virtual-machine:~$ ps -ef UID PID PPID C STIME TTY TIME CMD root 1 0 0 11:11 ? 00:00:02 /sbin/init splash root 2 0 0 11:11 ? 00:00:00 [kthreadd] root 3 2 0 11:11 ? 00:00:00 [rcu_gp] root 4 2 0 11:11 ? 00:00:00 [rcu_par_gp] root 6 2 0 11:11 ? 00:00:00 [kworker/0:0H-kb] root 9 2 0 11:11 ? 00:00:00 [mm_percpu_wq] root 10 2 0 11:11 ? 00:00:00 [ksoftirqd/0] root 11 2 0 11:11 ? 00:00:00 [rcu_sched] root 12 2 0 11:11 ? 00:00:00 [migration/0] root 13 2 0 11:11 ? 00:00:00 [idle_inject/0] root 14 2 0 11:11 ? 00:00:00 [cpuhp/0] root 15 2 0 11:11 ? 00:00:00 [kdevtmpfs] root 16 2 0 11:11 ? 00:00:00 [netns] root 17 2 0 11:11 ? 00:00:00 [rcu_tasks_kthre] root 18 2 0 11:11 ? 00:00:00 [kauditd] root 19 2 0 11:11 ? 00:00:00 [khungtaskd] root 20 2 0 11:11 ? 00:00:00 [oom_reaper] root 21 2 0 11:11 ? 00:00:00 [writeback] root 22 2 0 11:11 ? 00:00:00 [kcompactd0] root 23 2 0 11:11 ? 00:00:00 [ksmd] root 24 2 0 11:11 ? 00:00:00 [khugepaged] root 116 2 0 11:11 ? 00:00:00 [kintegrityd] root 117 2 0 11:11 ? 00:00:00 [kblockd] root 118 2 0 11:11 ? 00:00:00 [blkcg_punt_bio] root 119 2 0 11:11 ? 00:00:00 [tpm_dev_wq] root 120 2 0 11:11 ? 00:00:00 [ata_sff] root 121 2 0 11:11 ? 00:00:00 [md] root 122 2 0 11:11 ? 00:00:00 [edac-poller] root 123 2 0 11:11 ? 00:00:00 [devfreq_wq] root 124 2 0 11:11 ? 00:00:00 [watchdogd] root 127 2 0 11:11 ? 00:00:00 [kswapd0] root 128 2 0 11:11 ? 00:00:00 [kworker/u257:0] root 129 2 0 11:11 ? 00:00:00 [ecryptfs-kthrea] root 132 2 0 11:11 ? 00:00:00 [kthrotld] root 133 2 0 11:11 ? 00:00:00 [irq/24-pciehp] root 134 2 0 11:11 ? 00:00:00 [irq/25-pciehp] root 135 2 0 11:11 ? 00:00:00 [irq/26-pciehp] root 136 2 0 11:11 ? 00:00:00 [irq/27-pciehp] root 137 2 0 11:11 ? 00:00:00 [irq/28-pciehp] root 138 2 0 11:11 ? 00:00:00 [irq/29-pciehp] root 139 2 0 11:11 ? 00:00:00 [irq/30-pciehp] root 140 2 0 11:11 ? 00:00:00 [irq/31-pciehp] root 141 2 0 11:11 ? 00:00:00 [irq/32-pciehp] root 142 2 0 11:11 ? 00:00:00 [irq/33-pciehp] root 143 2 0 11:11 ? 00:00:00 [irq/34-pciehp] root 144 2 0 11:11 ? 00:00:00 [irq/35-pciehp] root 145 2 0 11:11 ? 00:00:00 [irq/36-pciehp] root 146 2 0 11:11 ? 00:00:00 [irq/37-pciehp] root 147 2 0 11:11 ? 00:00:00 [irq/38-pciehp] root 148 2 0 11:11 ? 00:00:00 [irq/39-pciehp] root 149 2 0 11:11 ? 00:00:00 [irq/40-pciehp] root 150 2 0 11:11 ? 00:00:00 [irq/41-pciehp] root 151 2 0 11:11 ? 00:00:00 [irq/42-pciehp] root 152 2 0 11:11 ? 00:00:00 [irq/43-pciehp] root 153 2 0 11:11 ? 00:00:00 [irq/44-pciehp] root 154 2 0 11:11 ? 00:00:00 [irq/45-pciehp] root 155 2 0 11:11 ? 00:00:00 [irq/46-pciehp] root 156 2 0 11:11 ? 00:00:00 [irq/47-pciehp] root 157 2 0 11:11 ? 00:00:00 [irq/48-pciehp] root 158 2 0 11:11 ? 00:00:00 [irq/49-pciehp] root 159 2 0 11:11 ? 00:00:00 [irq/50-pciehp] root 160 2 0 11:11 ? 00:00:00 [irq/51-pciehp] root 161 2 0 11:11 ? 00:00:00 [irq/52-pciehp] root 162 2 0 11:11 ? 00:00:00 [irq/53-pciehp] root 163 2 0 11:11 ? 00:00:00 [irq/54-pciehp] root 164 2 0 11:11 ? 00:00:00 [irq/55-pciehp] root 165 2 0 11:11 ? 00:00:00 [acpi_thermal_pm] root 166 2 0 11:11 ? 00:00:00 [scsi_eh_0] root 167 2 0 11:11 ? 00:00:00 [scsi_tmf_0] root 168 2 0 11:11 ? 00:00:00 [scsi_eh_1] root 169 2 0 11:11 ? 00:00:00 [scsi_tmf_1] root 171 2 0 11:11 ? 00:00:00 [ipv6_addrconf] root 184 2 0 11:11 ? 00:00:00 [kstrp] root 203 2 0 11:11 ? 00:00:00 [charger_manager] root 252 2 0 11:11 ? 00:00:00 [mpt_poll_0] root 253 2 0 11:11 ? 00:00:00 [mpt/0] root 254 2 0 11:11 ? 00:00:00 [scsi_eh_2] root 255 2 0 11:11 ? 00:00:00 [scsi_tmf_2] root 256 2 0 11:11 ? 00:00:00 [scsi_eh_3] root 257 2 0 11:11 ? 00:00:00 [scsi_tmf_3] root 258 2 0 11:11 ? 00:00:00 [scsi_eh_4] root 259 2 0 11:11 ? 00:00:00 [scsi_tmf_4] root 260 2 0 11:11 ? 00:00:00 [scsi_eh_5] root 261 2 0 11:11 ? 00:00:00 [scsi_tmf_5] root 262 2 0 11:11 ? 00:00:00 [scsi_eh_6] root 263 2 0 11:11 ? 00:00:00 [scsi_tmf_6] root 264 2 0 11:11 ? 00:00:00 [scsi_eh_7] root 265 2 0 11:11 ? 00:00:00 [scsi_tmf_7] root 266 2 0 11:11 ? 00:00:00 [scsi_eh_8] root 267 2 0 11:11 ? 00:00:00 [scsi_tmf_8] root 268 2 0 11:11 ? 00:00:00 [scsi_eh_9] root 269 2 0 11:11 ? 00:00:00 [scsi_tmf_9] root 270 2 0 11:11 ? 00:00:00 [scsi_eh_10] root 271 2 0 11:11 ? 00:00:00 [scsi_tmf_10] root 272 2 0 11:11 ? 00:00:00 [scsi_eh_11] root 273 2 0 11:11 ? 00:00:00 [scsi_tmf_11] root 274 2 0 11:11 ? 00:00:00 [scsi_eh_12] root 275 2 0 11:11 ? 00:00:00 [scsi_tmf_12] root 276 2 0 11:11 ? 00:00:00 [scsi_eh_13] root 277 2 0 11:11 ? 00:00:00 [scsi_tmf_13] root 278 2 0 11:11 ? 00:00:00 [scsi_eh_14] root 279 2 0 11:11 ? 00:00:00 [scsi_tmf_14] root 280 2 0 11:11 ? 00:00:00 [scsi_eh_15] root 281 2 0 11:11 ? 00:00:00 [scsi_tmf_15] root 282 2 0 11:11 ? 00:00:00 [scsi_eh_16] root 283 2 0 11:11 ? 00:00:00 [scsi_tmf_16] root 284 2 0 11:11 ? 00:00:00 [scsi_eh_17] root 285 2 0 11:11 ? 00:00:00 [scsi_tmf_17] root 286 2 0 11:11 ? 00:00:00 [scsi_eh_18] root 287 2 0 11:11 ? 00:00:00 [scsi_tmf_18] root 288 2 0 11:11 ? 00:00:00 [scsi_eh_19] root 289 2 0 11:11 ? 00:00:00 [scsi_tmf_19] root 290 2 0 11:11 ? 00:00:00 [scsi_eh_20] root 291 2 0 11:11 ? 00:00:00 [scsi_tmf_20] root 292 2 0 11:11 ? 00:00:00 [scsi_eh_21] root 293 2 0 11:11 ? 00:00:00 [scsi_tmf_21] root 294 2 0 11:11 ? 00:00:00 [scsi_eh_22] root 295 2 0 11:11 ? 00:00:00 [scsi_tmf_22] root 296 2 0 11:11 ? 00:00:00 [scsi_eh_23] root 297 2 0 11:11 ? 00:00:00 [scsi_tmf_23] root 298 2 0 11:11 ? 00:00:00 [scsi_eh_24] root 299 2 0 11:11 ? 00:00:00 [scsi_tmf_24] root 300 2 0 11:11 ? 00:00:00 [scsi_eh_25] root 301 2 0 11:11 ? 00:00:00 [scsi_tmf_25] root 302 2 0 11:11 ? 00:00:00 [scsi_eh_26] root 303 2 0 11:11 ? 00:00:00 [scsi_tmf_26] root 304 2 0 11:11 ? 00:00:00 [scsi_eh_27] root 305 2 0 11:11 ? 00:00:00 [scsi_tmf_27] root 306 2 0 11:11 ? 00:00:00 [scsi_eh_28] root 307 2 0 11:11 ? 00:00:00 [scsi_tmf_28] root 308 2 0 11:11 ? 00:00:00 [scsi_eh_29] root 309 2 0 11:11 ? 00:00:00 [scsi_tmf_29] root 310 2 0 11:11 ? 00:00:00 [scsi_eh_30] root 311 2 0 11:11 ? 00:00:00 [scsi_tmf_30] root 312 2 0 11:11 ? 00:00:00 [scsi_eh_31] root 313 2 0 11:11 ? 00:00:00 [scsi_tmf_31] root 328 2 0 11:11 ? 00:00:00 [scsi_eh_32] root 333 2 0 11:11 ? 00:00:00 [scsi_tmf_32] root 339 2 0 11:11 ? 00:00:00 [kworker/u256:27] root 345 2 0 11:11 ? 00:00:00 [kworker/0:1H-kb] root 368 2 0 11:11 ? 00:00:00 [jbd2/sda1-8] root 369 2 0 11:11 ? 00:00:00 [ext4-rsv-conver] root 410 1 0 11:11 ? 00:00:00 /lib/systemd/systemd-journald root 426 1 0 11:11 ? 00:00:00 /lib/systemd/systemd-udevd root 430 2 0 11:11 ? 00:00:00 [kworker/0:4-eve] root 433 2 0 11:11 ? 00:00:00 [loop0] root 437 2 0 11:11 ? 00:00:00 [loop1] root 446 2 0 11:11 ? 00:00:00 [loop2] root 448 2 0 11:11 ? 00:00:00 [loop3] root 452 2 0 11:11 ? 00:00:00 [loop4] root 454 2 0 11:11 ? 00:00:00 [loop5] root 461 2 0 11:11 ? 00:00:00 [loop6] root 462 2 0 11:11 ? 00:00:00 [loop7] systemd+ 513 1 0 11:11 ? 00:00:00 /lib/systemd/systemd-timesyncd systemd+ 514 1 0 11:11 ? 00:00:00 /lib/systemd/systemd-resolved root 573 1 0 11:11 ? 00:00:00 /lib/systemd/systemd-logind root 583 1 0 11:11 ? 00:00:00 /usr/lib/udisks2/udisksd root 591 1 0 11:11 ? 00:00:00 /usr/sbin/ModemManager --filter-policy=strict root 607 1 0 11:11 ? 00:00:00 /usr/lib/accountsservice/accounts-daemon root 628 1 0 11:11 ? 00:00:00 /usr/sbin/cron -f message+ 632 1 0 11:11 ? 00:00:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only root 645 1 0 11:11 ? 00:00:00 /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant root 649 1 0 11:11 ? 00:00:01 /usr/lib/snapd/snapd root 654 1 0 11:11 ? 00:00:00 /usr/sbin/acpid root 655 1 0 11:11 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon avahi 657 1 0 11:11 ? 00:00:00 avahi-daemon: running [chenyuekai-virtual-machine.local] avahi 659 657 0 11:11 ? 00:00:00 avahi-daemon: chroot helper syslog 660 1 0 11:11 ? 00:00:00 /usr/sbin/rsyslogd -n root 661 1 0 11:11 ? 00:00:00 /usr/sbin/cupsd -l root 662 1 0 11:11 ? 00:00:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers root 680 1 0 11:11 ? 00:00:00 /usr/sbin/cups-browsed root 681 1 0 11:11 ? 00:00:00 /usr/lib/policykit-1/polkitd --no-debug root 729 1 0 11:11 ? 00:00:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal root 734 2 0 11:11 ? 00:00:00 [kworker/0:6-eve] root 742 1 0 11:11 ? 00:00:00 /usr/sbin/gdm3 root 759 655 0 11:11 ? 00:00:00 /sbin/dhclient -d -q -sf /usr/lib/NetworkManager/nm-dhcp-helper -pf /run/dhclient-ens32.pid -lf /var/lib/NetworkManager/dhclient-0a root 934 1 0 11:11 ? 00:00:00 /usr/lib/upower/upowerd root 946 742 0 11:11 ? 00:00:00 gdm-session-worker [pam/gdm-launch-environment] gdm 959 1 0 11:11 ? 00:00:00 /lib/systemd/systemd --user gdm 960 959 0 11:11 ? 00:00:00 (sd-pam) gdm 992 946 0 11:11 tty1 00:00:00 /usr/lib/gdm3/gdm-x-session gnome-session --autostart /usr/share/gdm/greeter/autostart root 995 992 0 11:11 tty1 00:00:00 /usr/lib/xorg/Xorg vt1 -displayfd 3 -auth /run/user/121/gdm/Xauthority -background none -noreset -keeptty -verbose 3 root 1038 2 0 11:11 ? 00:00:00 [irq/16-vmwgfx] root 1039 2 0 11:11 ? 00:00:00 [ttm_swap] root 1043 1 0 11:11 ? 00:00:00 /usr/sbin/vmware-vmblock-fuse -o subtype=vmware-vmblock,default_permissions,allow_other /var/run/vmblock-fuse root 1079 1 0 11:11 ? 00:00:00 /usr/sbin/vmtoolsd root 1124 1 0 11:11 ? 00:00:00 /usr/lib/vmware-vgauth/VGAuthService -s whoopsie 1133 1 0 11:11 ? 00:00:00 /usr/bin/whoopsie -f kernoops 1135 1 0 11:11 ? 00:00:00 /usr/sbin/kerneloops --test kernoops 1138 1 0 11:11 ? 00:00:00 /usr/sbin/kerneloops root 1199 2 0 11:11 ? 00:00:00 [cryptd] gdm 1251 959 0 11:11 ? 00:00:00 /usr/bin/dbus-daemon --session --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only gdm 1258 992 0 11:11 tty1 00:00:00 /usr/lib/gnome-session/gnome-session-binary --autostart /usr/share/gdm/greeter/autostart gdm 1309 959 0 11:11 ? 00:00:00 /usr/lib/at-spi2-core/at-spi-bus-launcher gdm 1312 959 0 11:11 ? 00:00:00 /usr/lib/gvfs/gvfsd gdm 1317 959 0 11:11 ? 00:00:00 /usr/lib/gvfs/gvfsd-fuse /run/user/121/gvfs -f -o big_writes gdm 1321 1309 0 11:11 ? 00:00:00 /usr/bin/dbus-daemon --config-file=/usr/share/defaults/at-spi2/accessibility.conf --nofork --print-address 3 gdm 1329 959 0 11:11 ? 00:00:00 /usr/lib/at-spi2-core/at-spi2-registryd --use-gnome-session gdm 1340 1258 0 11:11 tty1 00:00:02 /usr/bin/gnome-shell gdm 1346 959 0 11:11 ? 00:00:00 /usr/bin/pulseaudio --daemonize=no rtkit 1348 1 0 11:11 ? 00:00:00 /usr/lib/rtkit/rtkit-daemon gdm 1359 1340 0 11:11 tty1 00:00:00 ibus-daemon --xim --panel disable gdm 1362 1359 0 11:11 tty1 00:00:00 /usr/lib/ibus/ibus-dconf gdm 1365 1 0 11:11 tty1 00:00:00 /usr/lib/ibus/ibus-x11 --kill-daemon gdm 1367 959 0 11:11 ? 00:00:00 /usr/lib/ibus/ibus-portal gdm 1377 959 0 11:11 ? 00:00:00 /usr/libexec/xdg-permission-store root 1388 1 0 11:11 ? 00:00:00 /usr/lib/x86_64-linux-gnu/boltd root 1392 1 0 11:11 ? 00:00:01 /usr/lib/packagekit/packagekitd gdm 1395 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-xsettings gdm 1397 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-a11y-settings gdm 1400 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-clipboard gdm 1402 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-color gdm 1404 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-datetime gdm 1405 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-housekeeping gdm 1406 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-keyboard gdm 1409 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-media-keys gdm 1410 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-mouse gdm 1412 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-power gdm 1416 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-print-notifications gdm 1419 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-rfkill gdm 1421 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-screensaver-proxy gdm 1423 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-sharing gdm 1430 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-smartcard gdm 1433 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-sound gdm 1434 1258 0 11:11 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-wacom colord 1466 1 0 11:11 ? 00:00:00 /usr/lib/colord/colord gdm 1484 1359 0 11:11 tty1 00:00:00 /usr/lib/ibus/ibus-engine-simple root 1491 742 0 11:11 ? 00:00:00 gdm-session-worker [pam/gdm-password] chenyue+ 1494 1 0 11:11 ? 00:00:00 /lib/systemd/systemd --user chenyue+ 1495 1494 0 11:11 ? 00:00:00 (sd-pam) chenyue+ 1508 1 0 11:11 ? 00:00:00 /usr/bin/gnome-keyring-daemon --daemonize --login chenyue+ 1512 1491 0 11:12 tty2 00:00:00 /usr/lib/gdm3/gdm-x-session --run-script env GNOME_SHELL_SESSION_MODE=ubuntu gnome-session --session=ubuntu chenyue+ 1514 1512 1 11:12 tty2 00:00:14 /usr/lib/xorg/Xorg vt2 -displayfd 3 -auth /run/user/1000/gdm/Xauthority -background none -noreset -keeptty -verbose 3 chenyue+ 1519 1494 0 11:12 ? 00:00:00 /usr/bin/dbus-daemon --session --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only chenyue+ 1523 1512 0 11:12 tty2 00:00:00 /usr/lib/gnome-session/gnome-session-binary --session=ubuntu chenyue+ 1618 1523 0 11:12 ? 00:00:00 /usr/bin/ssh-agent /usr/bin/im-launch env GNOME_SHELL_SESSION_MODE=ubuntu gnome-session --session=ubuntu chenyue+ 1621 1494 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfsd chenyue+ 1626 1494 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfsd-fuse /run/user/1000/gvfs -f -o big_writes chenyue+ 1635 1494 0 11:12 ? 00:00:00 /usr/lib/at-spi2-core/at-spi-bus-launcher chenyue+ 1640 1635 0 11:12 ? 00:00:00 /usr/bin/dbus-daemon --config-file=/usr/share/defaults/at-spi2/accessibility.conf --nofork --print-address 3 chenyue+ 1643 1494 0 11:12 ? 00:00:00 /usr/lib/at-spi2-core/at-spi2-registryd --use-gnome-session chenyue+ 1658 1523 2 11:12 tty2 00:00:21 /usr/bin/gnome-shell chenyue+ 1669 1 0 11:12 ? 00:00:00 /usr/bin/pulseaudio --start --log-target=syslog chenyue+ 1679 1658 0 11:12 tty2 00:00:00 ibus-daemon --xim --panel disable chenyue+ 1683 1679 0 11:12 tty2 00:00:00 /usr/lib/ibus/ibus-dconf chenyue+ 1685 1 0 11:12 tty2 00:00:00 /usr/lib/ibus/ibus-x11 --kill-daemon chenyue+ 1687 1494 0 11:12 ? 00:00:00 /usr/lib/ibus/ibus-portal chenyue+ 1695 1494 0 11:12 ? 00:00:00 /usr/libexec/xdg-permission-store chenyue+ 1702 1494 0 11:12 ? 00:00:00 /usr/lib/gnome-shell/gnome-shell-calendar-server chenyue+ 1706 1494 0 11:12 ? 00:00:00 /usr/lib/evolution/evolution-source-registry chenyue+ 1713 1494 0 11:12 ? 00:00:00 /usr/lib/gnome-online-accounts/goa-daemon chenyue+ 1724 1494 0 11:12 ? 00:00:00 /usr/lib/gnome-online-accounts/goa-identity-service chenyue+ 1733 1494 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfs-udisks2-volume-monitor chenyue+ 1737 1494 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfs-goa-volume-monitor chenyue+ 1741 1494 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor chenyue+ 1745 1494 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfs-mtp-volume-monitor chenyue+ 1749 1494 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfs-afc-volume-monitor chenyue+ 1755 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-power chenyue+ 1757 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-print-notifications chenyue+ 1758 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-rfkill chenyue+ 1759 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-screensaver-proxy chenyue+ 1761 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-sharing chenyue+ 1763 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-smartcard chenyue+ 1767 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-xsettings chenyue+ 1769 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-sound chenyue+ 1772 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-wacom chenyue+ 1782 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-clipboard chenyue+ 1784 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-a11y-settings chenyue+ 1787 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-housekeeping chenyue+ 1790 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-color chenyue+ 1793 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-datetime chenyue+ 1796 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-mouse chenyue+ 1799 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-keyboard chenyue+ 1801 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-media-keys chenyue+ 1812 1 0 11:12 tty2 00:00:00 /usr/lib/gnome-settings-daemon/gsd-printer chenyue+ 1855 1 0 11:12 tty2 00:00:01 /usr/lib/vmware-tools/sbin64/vmtoolsd -n vmusr --blockFd 3 chenyue+ 1856 1523 0 11:12 tty2 00:00:00 /usr/lib/gnome-disk-utility/gsd-disk-utility-notify chenyue+ 1857 1523 0 11:12 tty2 00:00:03 nautilus-desktop chenyue+ 1877 1621 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.7 /org/gtk/gvfs/exec_spaw/0 chenyue+ 1907 1494 0 11:12 ? 00:00:00 /usr/lib/evolution/evolution-calendar-factory chenyue+ 1914 1907 0 11:12 ? 00:00:00 /usr/lib/evolution/evolution-calendar-factory-subprocess --factory all --bus-name org.gnome.evolution.dataserver.Subprocess.Backend chenyue+ 1916 1494 0 11:12 ? 00:00:00 /usr/lib/dconf/dconf-service chenyue+ 1934 1494 0 11:12 ? 00:00:00 /usr/lib/evolution/evolution-addressbook-factory chenyue+ 1943 1934 0 11:12 ? 00:00:00 /usr/lib/evolution/evolution-addressbook-factory-subprocess --factory all --bus-name org.gnome.evolution.dataserver.Subprocess.Back chenyue+ 1959 1679 0 11:12 tty2 00:00:00 /usr/lib/ibus/ibus-engine-simple chenyue+ 1986 1494 0 11:12 ? 00:00:00 /usr/lib/gvfs/gvfsd-metadata chenyue+ 2003 1679 0 11:12 tty2 00:00:00 /usr/lib/ibus/ibus-engine-libpinyin --ibus chenyue+ 2061 1523 0 11:13 tty2 00:00:00 update-notifier chenyue+ 2063 1523 0 11:13 tty2 00:00:02 /usr/bin/gnome-software --gapplication-service root 2083 1 0 11:13 ? 00:00:00 /usr/lib/fwupd/fwupd chenyue+ 2158 1523 0 11:14 tty2 00:00:00 /usr/lib/deja-dup/deja-dup-monitor root 2182 2 0 11:16 ? 00:00:00 [kworker/u256:0-] chenyue+ 2191 1494 0 11:16 ? 00:00:04 /usr/lib/gnome-terminal/gnome-terminal-server chenyue+ 2202 2191 0 11:16 pts/0 00:00:00 bash chenyue+ 2301 2202 0 11:27 pts/0 00:00:00 ps -ef
ps：查看进程命令
-e：显示所有进程。
-f：全格式。
-h：不显示标题。
-l：长格式。
-w：宽输出。
-a：显示终端上的所有进程，包括其他用户的进程。
-r：只显示正在运行的进程。
-x：显示没有控制终端的进程。
-help：显示帮助信息。
-version：显示该命令的版本信息。
-ef 返回字段以及意义：
UID PID PPID C STIME TTY TIME CMD
UID 程序被该用户身份所拥有
PID 这个程序的 ID
PPID 则是其上级父程序的ID
C CPU使用的资源百分比
STIME 系统启动时间
TTY 登入者的终端机位置
TIME 使用掉的CPU时间。
CMD 所下达的指令为何
通过该实验如果有产生新的疑问，可以写出来，并尝试自己解决问题。
用户身份证明
标签：roo comm ubuntu ica var migration deb sch sbin
原文地址：https://www.cnblogs.com/cykk/p/12433310.html
