{"id":11148,"date":"2019-09-16T15:24:02","date_gmt":"2019-09-16T15:24:02","guid":{"rendered":"https:\/\/ittutorial.org\/?p=11148"},"modified":"2019-11-28T08:14:05","modified_gmt":"2019-11-28T08:14:05","slug":"gnu-linux-bash-commands-tutorial-for-beginners-3-system-statistic-commands","status":"publish","type":"post","link":"https:\/\/ittutorial.org\/gnu-linux-bash-commands-tutorial-for-beginners-3-system-statistic-commands\/","title":{"rendered":"GNU\/Linux Bash Command Tutorial for Beginners -3 System Statistic Commands"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I will continue to explain\u00a0Linux Commands for Beginners in this tutorial series.<\/p>\n<p style=\"text-align: center;\" align=\"center\"><a href=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/tux_linux.gif\" rel=\"attachment wp-att-2547\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2547\" title=\"tux_linux\" src=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/tux_linux.gif\" alt=\"\" width=\"294\" height=\"282\" \/><\/a><\/p>\n<p><strong><!--more--><\/strong><\/p>\n\n<p>&nbsp;<\/p>\n<p>You should read second article before this.<\/p>\n<p>https:\/\/ittutorial.org\/linux-commands-tutorial-for-beginners-2-system-commands\/<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #ff0000;\"><strong>3. System Statistic Commands<\/strong><\/span><\/h3>\n<p>System statistic commands in Linux are generally used to learn about cpu, disk and memory, or other necessary information like hostname time TOP resource consumers about the system.<\/p>\n<p>These commands are as follows.<\/p>\n<ul>\n<li>df<\/li>\n<li>du<\/li>\n<li>free<\/li>\n<li>hostname<\/li>\n<li>time<\/li>\n<li>who<\/li>\n<li>lsmod<\/li>\n<li>Vmstat<\/li>\n<li>iostat<\/li>\n<li>Top<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<pre style=\"text-align: left;\"><\/pre>\n<h3><strong><span style=\"color: #ff0000;\">df<\/span>\u00a0<\/strong><\/h3>\n<p>This command provides the user detailed information about <strong>disk usage<\/strong>.<\/p>\n<p>Use and output of this command are as follows. df command shows disk usage in Bytes .<\/p>\n<p>Df -k shows disk usage in Kilobytes and df -h shows in Gigabytes.<\/p>\n<p style=\"text-align: center;\" align=\"center\">\u00a0<a href=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/df-komutu.jpg\" rel=\"attachment wp-att-2451\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2451\" title=\"df komutu\" src=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/df-komutu.jpg?w=400\" alt=\"\" width=\"400\" height=\"116\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/df-komutu.jpg 842w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/df-komutu-300x87.jpg 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/df-komutu-768x223.jpg 768w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<pre style=\"text-align: left;\">[root@MehmetSalih ~]# df\r\nFilesystem           1K-blocks     Used Available Use% Mounted on\r\n\/dev\/mapper\/vg_oracletest-lv_root\r\n                      20228748 15107056   4071068  79% \/\r\ntmpfs                 20480000   142892  20337108   1% \/dev\/shm\r\n\/dev\/sda1               487652   122091    335865  27% \/boot\r\n\/dev\/mapper\/vg_oracletest-lv_home\r\n                      10190136  5259268   4390196  55% \/home\r\n\/dev\/mapper\/vg_oracletest-LVDbOra1\r\n                     165008748 76505512  80098244  49% \/oradata\r\n\/dev\/sdb1             61792296    53640  58593132   1% \/backup\r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# df -k\r\nFilesystem           1K-blocks     Used Available Use% Mounted on\r\n\/dev\/mapper\/vg_oracletest-lv_root\r\n                      20228748 15107060   4071064  79% \/\r\ntmpfs                 20480000   142892  20337108   1% \/dev\/shm\r\n\/dev\/sda1               487652   122091    335865  27% \/boot\r\n\/dev\/mapper\/vg_oracletest-lv_home\r\n                      10190136  5259268   4390196  55% \/home\r\n\/dev\/mapper\/vg_oracletest-LVDbOra1\r\n                     165008748 76505560  80098196  49% \/oradata\r\n\/dev\/sdb1             61792296    53640  58593132   1% \/backup\r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# df -h\r\nFilesystem            Size  Used Avail Use% Mounted on\r\n\/dev\/mapper\/vg_oracletest-lv_root\r\n                       20G   15G  3.9G  79% \/\r\ntmpfs                  20G  140M   20G   1% \/dev\/shm\r\n\/dev\/sda1             477M  120M  328M  27% \/boot\r\n\/dev\/mapper\/vg_oracletest-lv_home\r\n                      9.8G  5.1G  4.2G  55% \/home\r\n\/dev\/mapper\/vg_oracletest-LVDbOra1\r\n                      158G   73G   77G  49% \/oradata\r\n\/dev\/sdb1              59G   53M   56G   1% \/backup\r\n[root@MehmetSalih ~]# \r\n\r\n\r\n\r\n<\/pre>\n<h3><span style=\"color: #ff0000;\"><strong>du<\/strong><\/span><\/h3>\n<p>This command provides and summarize disk usage of each FILE, recursively for directories. Usage and output are as follows.<\/p>\n<p>&nbsp;<\/p>\n<pre style=\"text-align: left;\">[root@MehmetSalih backup]# du\r\n24 .\/.patch_storage\/29585399_Apr_9_2019_19_12_47\/original_patch\/custom\/scripts\r\n28 .\/.patch_storage\/29585399_Apr_9_2019_19_12_47\/original_patch\/custom\r\n28 .\/.patch_storage\/29585399_Apr_9_2019_19_12_47\/original_patch\/etc\/config\r\n32 .\/.patch_storage\/29585399_Apr_9_2019_19_12_47\/original_patch\/etc\r\n88 .\/.patch_storage\/29585399_Apr_9_2019_19_12_47\/original_patch\r\n100 .\/.patch_storage\/29585399_Apr_9_2019_19_12_47\r\n180 .\/.patch_storage\/29517242_Apr_17_2019_23_27_10\/original_patch\/etc\/config\r\n184 .\/.patch_storage\/29517242_Apr_17_2019_23_27_10\/original_patch\/etc\r\n268 .\/.patch_storage\/29517242_Apr_17_2019_23_27_10\/original_patch\r\n276 .\/.patch_storage\/29517242_Apr_17_2019_23_27_10\r\n8 .\/.patch_storage\/NApply\/2019-04-18_07-21-20AM\r\n8 .\/.patch_storage\/NApply\/2019-04-18_07-21-09AM\r\n8 .\/.patch_storage\/NApply\/2019-04-18_07-21-25AM\r\n8 .\/.patch_storage\/NApply\/2019-04-18_07-21-05AM\r\n36 .\/.patch_storage\/NApply\r\n436 .\/.patch_storage\r\n12 .\/.opatchauto_storage\/system_patches\/29547676\r\n20 .\/.opatchauto_storage\/system_patches\r\n24 .\/.opatchauto_storage\r\n4 .\/rman\r\n468 .\r\n[root@MehmetSalih backup]#\r\n\r\n\r\n<\/pre>\n<p style=\"text-align: left;\" align=\"center\">You can use du -sh command for disk usage in Gigabyte under spesific directory.<\/p>\n<pre style=\"text-align: left;\">[root@MehmetSalih oradata]# \r\n[root@MehmetSalih oradata]# du -sh *\r\n16G 13c\r\n1.6G agent\r\n20G app\r\n9.4G app19c\r\n177M arc_eksik.rman\r\n2.3G em12105_linux64_disk1.zip\r\n995M em12105_linux64_disk2.zip\r\n1.3G em12105_linux64_disk3.zip\r\n4.0K export\r\n3.8G gc_inst\r\n16K lost+found\r\n17G middleware\r\n4.0K oldbackup\r\n1.6G oradata\r\n119M OraInstall2017-04-21_03-24-54PM\r\n1.2G swlib\r\n26M thread_1_seq_4739.1080.926947103\r\n[root@MehmetSalih oradata]#\r\n\r\n\r\n<\/pre>\n<h3><strong><span style=\"color: #ff0000;\">free<\/span> <\/strong><\/h3>\n<p>This command provides the user with the amount of free and used memory(RAM) in the operating system. Its use is as follows.<\/p>\n<p style=\"text-align: center;\" align=\"center\">\u00a0<a href=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/free-komutu.jpg\" rel=\"attachment wp-att-2453\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2453\" title=\"free komutu\" src=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/free-komutu.jpg?w=400\" alt=\"\" width=\"400\" height=\"99\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/free-komutu.jpg 838w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/free-komutu-300x74.jpg 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/free-komutu-768x191.jpg 768w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<pre style=\"text-align: left;\">[root@MehmetSalih ~]# free\r\n             total       used       free     shared    buffers     cached\r\nMem:      49463392   49270332     193060   45031644     256076   45826880\r\n-\/+ buffers\/cache:    3187376   46276016 \r\nSwap:      4194300    3166452    1027848 \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# free -k\r\n             total       used       free     shared    buffers     cached\r\nMem:      49463392   49270368     193024   45031644     256092   45826896\r\n-\/+ buffers\/cache:    3187380   46276012 \r\nSwap:      4194300    3166452    1027848 \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# free -m\r\n             total       used       free     shared    buffers     cached\r\nMem:         48304      48115        188      43976        250      44752\r\n-\/+ buffers\/cache:       3112      45191 \r\nSwap:         4095       3092       1003 \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# free -g\r\n             total       used       free     shared    buffers     cached\r\nMem:            47         46          0         42          0         43\r\n-\/+ buffers\/cache:          3         44 \r\nSwap:            3          3          0 \r\n[root@MehmetSalih ~]#<\/pre>\n<p>&nbsp;<\/p>\n\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #ff0000;\"><strong>hostname <\/strong><\/span><\/h3>\n<p>it displays the name of the machine. Use of this command is as follows.<\/p>\n<p style=\"text-align: center;\" align=\"center\">\u00a0<a href=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/linux-hostname-komutu.jpg\" rel=\"attachment wp-att-2458\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2458\" title=\"Linux hostname komutu\" src=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/linux-hostname-komutu.jpg?w=400\" alt=\"\" width=\"400\" height=\"77\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-hostname-komutu.jpg 839w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-hostname-komutu-300x58.jpg 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-hostname-komutu-768x148.jpg 768w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<pre>[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# hostname\r\nMehmetSalih\r\n[root@MehmetSalih ~]# \r\n\r\n<\/pre>\n<h3><span style=\"color: #ff0000;\"><strong>time <\/strong><\/span><\/h3>\n<p>This command shows how long a given command is run. Its use is as follows.<\/p>\n<p style=\"text-align: center;\" align=\"center\"><a href=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/linux-time-komutu.jpg\" rel=\"attachment wp-att-2459\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2459\" title=\"linux time komutu\" src=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/linux-time-komutu.jpg?w=400\" alt=\"\" width=\"400\" height=\"104\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-time-komutu.jpg 835w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-time-komutu-300x78.jpg 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-time-komutu-768x201.jpg 768w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<pre>[root@MehmetSalih ~]# time\r\n\r\nreal 0m0.000s\r\nuser 0m0.000s\r\nsys 0m0.000s\r\n[root@MehmetSalih ~]#<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #ff0000;\"><strong>who <\/strong><\/span><\/h3>\n<p>This command lists the active users in the system. Use of the command is as follows.<\/p>\n<p style=\"text-align: center;\" align=\"center\">\u00a0<a href=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/linux-who-komutu.jpg\" rel=\"attachment wp-att-2461\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2461\" title=\"Linux who komutu\" src=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/linux-who-komutu.jpg?w=400\" alt=\"\" width=\"400\" height=\"70\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-who-komutu.jpg 839w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-who-komutu-300x53.jpg 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-who-komutu-768x135.jpg 768w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<pre style=\"text-align: left;\">[root@MehmetSalih ~]# who\r\nroot pts\/0 2019-09-09 13:52 (ittutorial.org)\r\nroot pts\/1 2019-09-09 13:56 (ittutorial.org)\r\noracle pts\/2 2019-09-16 17:13 (:2.0)\r\nroot pts\/3 2019-09-10 11:44 (ittutorial.org)\r\noracle pts\/4 2019-09-16 16:46 (:2.0)\r\n[root@MehmetSalih ~]#\r\n\r\n\r\n<\/pre>\n<h3><span style=\"color: #ff0000;\"><strong>lsmod <\/strong><\/span><\/h3>\n<p>This command provides the user with information about all modules installed in the operating system. Use of the command is as follows.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\" align=\"center\">\u00a0<a href=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/linux-lsmod-komutu.jpg\" rel=\"attachment wp-att-2462\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2462\" title=\"Linux lsmod komutu\" src=\"http:\/\/salihdeveci.files.wordpress.com\/2012\/04\/linux-lsmod-komutu.jpg?w=400\" alt=\"\" width=\"400\" height=\"219\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-lsmod-komutu.jpg 839w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-lsmod-komutu-300x165.jpg 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-lsmod-komutu-768x422.jpg 768w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<pre style=\"text-align: left;\">[root@MehmetSalih ~]# lsmod\r\nModule Size Used by\r\nfuse 77921 0 \r\noracleasm 53591 1 \r\nautofs4 34292 3 \r\n8021q 20994 0 \r\ngarp 7297 1 8021q\r\nstp 2256 1 garp\r\nllc 5608 2 garp,stp\r\nip6t_REJECT 4486 2 \r\nnf_conntrack_ipv6 10595 3 \r\nnf_defrag_ipv6 11368 1 nf_conntrack_ipv6\r\nxt_state 1370 3 \r\nnf_conntrack 84658 2 nf_conntrack_ipv6,xt_state\r\nip6table_filter 1671 1 \r\nip6_tables 18368 1 ip6table_filter\r\nipv6 339234 130 ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6\r\next3 214449 1 \r\njbd 73252 1 ext3\r\nuinput 8917 0 \r\nsg 30968 0 \r\nvmw_balloon 6875 0 \r\nserio_raw 5631 0 \r\nvmxnet3 44918 0 \r\ncrc32c_intel 14496 0 \r\nghash_clmulni_intel 4707 0 \r\nmicrocode 115607 0 \r\npcspkr 2150 0 \r\nvmw_vmci 63353 0 \r\ni2c_piix4 11994 0 \r\nshpchp 27901 0 \r\next4 533275 4 \r\njbd2 100929 1 ext4\r\nmbcache 7575 2 ext3,ext4\r\nsd_mod 41045 8 \r\ncrc_t10dif 1547 1 sd_mod\r\nmptsas 59857 5 \r\nmptscsih 45921 1 mptsas\r\nmptbase 99360 2 mptsas,mptscsih\r\nscsi_transport_sas 34071 1 mptsas\r\nsr_mod 15980 0 \r\ncdrom 40900 1 sr_mod\r\naesni_intel 45744 0 \r\nablk_helper 2997 1 aesni_intel\r\ncryptd 10460 3 ghash_clmulni_intel,aesni_intel,ablk_helper\r\nlrw 4222 1 aesni_intel\r\naes_x86_64 7967 1 aesni_intel\r\nxts 3466 1 aesni_intel\r\ngf128mul 7999 2 lrw,xts\r\npata_acpi 3782 0 \r\nata_generic 3758 0 \r\nata_piix 26525 0 \r\nvmwgfx 128627 0 \r\nttm 80627 1 vmwgfx\r\ndrm 274140 2 vmwgfx,ttm\r\ni2c_core 31228 2 i2c_piix4,drm\r\ndm_mirror 14208 0 \r\ndm_region_hash 11094 1 dm_mirror\r\ndm_log 9681 2 dm_mirror,dm_region_hash\r\ndm_mod 84383 14 dm_mirror,dm_log\r\n[root@MehmetSalih ~]#\r\n\r\n\r\n\r\n\r\n<\/pre>\n<h3><span style=\"color: #ff0000;\"><strong>Vmstat<\/strong><\/span><\/h3>\n<p>vmstat command displays information about processes, memory, paging, block IO and CPU activity.<\/p>\n<p>If you use vmstat n, vmstat generates instant result in every n second.<\/p>\n<p>&nbsp;<\/p>\n<pre>[root@MehmetSalih ~]# vmstat\r\nprocs ---  --------memory---------- ---swap--  -----io----   --system-- -----cpu-----\r\n r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st\r\n 0  0 3166260 175388 264560 45839080    0    1    93    58    1    3  0  0 99  0  0\r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]# vmstat 3\r\nprocs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----\r\n r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st\r\n 0  0 3166260 174564 264708 45839328    0    1    93    58    1    3  0  0 99  0  0\r\n 0  0 3166260 174412 264976 45839348    0    0   626   188 6499 11970  0  0 99  0  0\r\n 0  0 3166260 173284 264976 45839384    0    0   271    44 6289 11801  0  0 99  0  0\r\n^C\r\n[root@MehmetSalih ~]# \r\n[root@MehmetSalih ~]#<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #ff0000;\">iostat<\/span><\/h3>\n<p>iostat displays CPU statistics and I\/O statistics for devices, partitions\u00a0and network filesystems (NFS).<\/p>\n<pre><\/pre>\n<pre>[root@MehmetSalih ~]# iostat\r\nLinux 3.8.13-118.13.3.el6uek.x86_64 (MehmetSalih)     09\/16\/2019      _x86_64_        (16 CPU)\r\n\r\navg-cpu:  %user   %nice %system %iowait  %steal   %idle\r\n           0.35    0.00    0.16    0.38    0.00   99.11\r\n\r\nDevice:            tps   Blk_read\/s   Blk_wrtn\/s   Blk_read   Blk_wrtn\r\nsda               8.63       107.10       141.16   66372171   87483024\r\nsdd               0.00         0.00         0.00       2393          0\r\nsdb               0.29        32.79        41.16   20324106   25505496\r\nsdc              80.38      2825.08      1661.52 1750816266 1029715953\r\ndm-0              1.26        43.82        28.99   27154355   17965160\r\ndm-1              3.73        10.50        19.38    6507625   12009696\r\ndm-2              0.01         0.03         0.04      16499      23944\r\ndm-3             10.81        52.74        92.75   32685947   57484080\r\n\r\n[root@MehmetSalih ~]#<\/pre>\n<p>&nbsp;<\/p>\n\n<h3><span style=\"color: #ff0000;\">TOP<\/span><\/h3>\n<p>top command displays dynamic real-time view of a running system. It can display system summary information as well as a list of tasks currently being managed by the Linux kernel.<\/p>\n<pre><\/pre>\n<pre>[root@MehmetSalih ~]# top\r\n\r\ntop - 17:50:14 up 7 days,  4:09,  5 users,  load average: 0.28, 0.21, 0.19\r\nTasks: 503 total,   1 running, 502 sleeping,   0 stopped,   0 zombie\r\nCpu(s):  0.3%us,  0.2%sy,  0.0%ni, 99.1%id,  0.4%wa,  0.0%hi,  0.0%si,  0.0%st\r\nMem:  49463392k total, 49289872k used,   173520k free,   265704k buffers\r\nSwap:  4194300k total,  3166256k used,  1028044k free, 45839860k cached\r\n\r\n  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                \r\n13063 oracle    -2   0 1405m 1192 1048 S  1.7  0.0  70:43.21 asm_vktm_+asm                                                          \r\n19390 root      20   0 15348 1444  824 R  1.7  0.0   0:00.08 top                                                                    \r\n29901 oracle    -2   0 6580m  19m  17m S  1.7  0.0  66:29.81 ora_vktm_prod                                                          \r\n    1 root      20   0 19412  576  352 S  0.0  0.0   1:39.06 init                                                                   \r\n    2 root      20   0     0    0    0 S  0.0  0.0   0:00.56 kthreadd                                                               \r\n    3 root      20   0     0    0    0 S  0.0  0.0   0:20.30 ksoftirqd\/0                                                            \r\n    5 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker\/0:0H                                                           \r\n    6 root      20   0     0    0    0 S  0.0  0.0   0:05.90 kworker\/u:0                                                            \r\n    7 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker\/u:0H                                                           \r\n    8 root      RT   0     0    0    0 S  0.0  0.0   0:00.01 migration\/0                                                            \r\n    9 root      20   0     0    0    0 S  0.0  0.0   0:00.00 rcu_bh                                                                 \r\n   10 root      20   0     0    0    0 S  0.0  0.0   5:22.63 rcu_sched                                                              \r\n   11 root      RT   0     0    0    0 S  0.0  0.0   0:00.93 watchdog\/0                                                             \r\n   12 root      RT   0     0    0    0 S  0.0  0.0   0:00.89 watchdog\/1                                                             \r\n   13 root      20   0     0    0    0 S  0.0  0.0   0:19.36 ksoftirqd\/1                                                            \r\n   14 root      RT   0     0    0    0 S  0.0  0.0   0:02.09 migration\/1                                                            \r\n   16 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker\/1:0H                                                           \r\n   17 root      RT   0     0    0    0 S  0.0  0.0   0:00.95 watchdog\/2                                                             \r\n   18 root      20   0     0    0    0 S  0.0  0.0   0:18.61 ksoftirqd\/2                                                            \r\n   19 root      RT   0     0    0    0 S  0.0  0.0   0:00.04 migration\/2                                                            \r\n   21 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker\/2:0H                                                           \r\n   22 root      RT   0     0    0    0 S  0.0  0.0   0:01.25 watchdog\/3                                                             \r\n   23 root      20   0     0    0    0 S  0.0  0.0   0:04.11 ksoftirqd\/3                                                            \r\n   24 root      RT   0     0    0    0 S  0.0  0.0   0:00.02 migration\/3                                                            \r\n   26 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker\/3:0H                                                           \r\n   27 root      RT   0     0    0    0 S  0.0  0.0   0:01.26 watchdog\/4                                                             \r\n   28 root      20   0     0    0    0 S  0.0  0.0   0:01.58 ksoftirqd\/4                                                            \r\n   29 root      RT   0     0    0    0 S  0.0  0.0   0:00.02 migration\/4                                                            \r\n   31 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker\/4:0H                                                           \r\n   32 root      RT   0     0    0    0 S  0.0  0.0   0:01.27 watchdog\/5                                                             \r\n   33 root      20   0     0    0    0 S  0.0  0.0   0:00.67 ksoftirqd\/5                                                            \r\n   34 root      RT   0     0    0    0 S  0.0  0.0   0:06.90 migration\/5                                                            \r\n   36 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker\/5:0H                                                           \r\n   37 root      RT   0     0    0    0 S  0.0  0.0   0:01.29 watchdog\/6                                                             \r\n   38 root      20   0     0    0    0 S  0.0  0.0   0:06.32 ksoftirqd\/6                                                            \r\n   39 root      RT   0     0    0    0 S  0.0  0.0   0:00.04 migration\/6                                                            \r\n   41 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker\/6:0H                                                           \r\n   42 root      RT   0     0    0    0 S  0.0  0.0   0:01.26 watchdog\/7                                                             \r\n[root@MehmetSalih ~]#\r\n\r\n\r\n\r\n<\/pre>\n<p>I will continue to explain Linux commands in the next article.<\/p>\n<p>&nbsp;&nbsp;<\/p>\n<h4><span style=\"color: #ff0000;\">Do you want to learn Linux System Administration for Beginners, then read the following articles.<\/span><\/h4>\n<blockquote class=\"wp-embedded-content\" data-secret=\"KR87PntplE\"><p><a href=\"https:\/\/ittutorial.org\/linux-administration-tutorial-for-beginners\/\">GNU\/Linux Administration Tutorial For Beginners<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;GNU\/Linux Administration Tutorial For Beginners&#8221; &#8212; IT Tutorial\" src=\"https:\/\/ittutorial.org\/linux-administration-tutorial-for-beginners\/embed\/#?secret=3S3RJ7wIV3#?secret=KR87PntplE\" data-secret=\"KR87PntplE\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi, I will continue to explain\u00a0Linux Commands for Beginners in this tutorial 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