OS第1次实验报告：熟悉使用Linux命令和剖析ps命令
Posted chenyuekai
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- 姓名 陈悦凯
- 学号 201821121011
- 班级 计算1811
1. 实验环境介绍
给出实验环境：
- 操作系统：ubuntu-18.04.4-desktop-amd64
- 平台：虚拟机
2. 常用命令使用
3. 剖析ps命令
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 OS第1次实验报告：熟悉使用Linux命令和剖析ps命令