$  ps ef  | grep ora_
 6416 pts/3    S+     0:00  \_ grep ora_ HOSTNAME=accord.novaglobal.com.sg TERM=xterm SHELL=/bin/bash HISTSIZE=1000 SSH_CLIENT=::ffff:10.1.1.227 38630 22 SSH_TTY=/dev/pts/3 USER=oracle LS_COLORS=no=00:fi=00:di=00;34:ln=00;36:pi=40;33:so=00;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:ex=00;32:*.cmd=00;32:*.exe=00;32:*.com=00;32:*.btm=00;32:*.bat=00;32:*.sh=00;32:*.csh=00;32:*.tar=00;31:*.tgz=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.bz=00;31:*.tz=00;31:*.rpm=00;31:*.cpio=00;31:*.jpg=00;35:*.gif=00;35:*.bmp=00;35:*.xbm=00;35:*.xpm=00;35:*.png=00;35:*.tif=00;35: ORACLE_SID=orcl MAIL=/var/spool/mail/oracle PATH=/home/oracle/oracle/product/10.2.0/db_1/bin:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/home/oracle/bin INPUTRC=/etc/inputrc PWD=/home/oracle LANG=en_US.UTF-8 AEM_ROOT=/home/oracle_aem_home_dir SSH_ASKPASS=/usr/libexec/openssh/gnome-ssh-askpass SHLVL=1 HOME=/home/oracle LOGNAME=oracle SSH_CONNECTION=::ffff:10.1.1.227 38630 ::ffff:10.1.1.234 22 LESSOPEN=|/usr/bin/lesspipe.sh %s DISPLAY=localhost:12.0 ORACLE_HOME=/home/oracle/oracle/product/10.2.0/db_1 G_BROKEN_FILENAMES=1 _=/bin/grep






NEW output after starting 

$ ps ef | grep ora_
 6551 pts/4    S+     0:00  \_ grep ora_ HOSTNAME=accord.novaglobal.com.sg TERM=xterm SHELL=/bin/bash HISTSIZE=1000 SSH_CLIENT=::ffff:10.1.1.227 53512 22 SSH_TTY=/dev/pts/4 USER=oracle LS_COLORS=no=00:fi=00:di=00;34:ln=00;36:pi=40;33:so=00;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:ex=00;32:*.cmd=00;32:*.exe=00;32:*.com=00;32:*.btm=00;32:*.bat=00;32:*.sh=00;32:*.csh=00;32:*.tar=00;31:*.tgz=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.bz=00;31:*.tz=00;31:*.rpm=00;31:*.cpio=00;31:*.jpg=00;35:*.gif=00;35:*.bmp=00;35:*.xbm=00;35:*.xpm=00;35:*.png=00;35:*.tif=00;35: ORACLE_SID=orcl MAIL=/var/spool/mail/oracle PATH=/home/oracle/oracle/product/10.2.0/db_1/bin:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/home/oracle/bin INPUTRC=/etc/inputrc PWD=/home/oracle LANG=en_US.UTF-8 AEM_ROOT=/home/oracle_aem_home_dir SSH_ASKPASS=/usr/libexec/openssh/gnome-ssh-askpass SHLVL=1 HOME=/home/oracle LOGNAME=oracle SSH_CONNECTION=::ffff:10.1.1.227 53512 ::ffff:10.1.1.234 22 LESSOPEN=|/usr/bin/lesspipe.sh %s DISPLAY=localhost:13.0 ORACLE_HOME=/home/oracle/oracle/product/10.2.0/db_1 G_BROKEN_FILENAMES=1 _=/bin/grep







$ ps -ef | grep ora_
oracle    6426     1  0 11:43 ?        00:00:00 ora_pmon_orcl
oracle    6428     1  0 11:43 ?        00:00:00 ora_psp0_orcl
oracle    6430     1  0 11:43 ?        00:00:00 ora_mman_orcl
oracle    6432     1  0 11:43 ?        00:00:00 ora_dbw0_orcl
oracle    6434     1  0 11:43 ?        00:00:00 ora_lgwr_orcl
oracle    6436     1  0 11:43 ?        00:00:00 ora_ckpt_orcl
oracle    6438     1  0 11:43 ?        00:00:00 ora_smon_orcl
oracle    6440     1  0 11:43 ?        00:00:00 ora_reco_orcl
oracle    6442     1  0 11:43 ?        00:00:00 ora_cjq0_orcl
oracle    6444     1  0 11:43 ?        00:00:00 ora_mmon_orcl
oracle    6446     1  0 11:43 ?        00:00:00 ora_mmnl_orcl
oracle    6448     1  0 11:43 ?        00:00:00 ora_d000_orcl
oracle    6450     1  0 11:43 ?        00:00:00 ora_s000_orcl
oracle    6458     1  0 11:43 ?        00:00:00 ora_qmnc_orcl
oracle    6478     1  0 11:43 ?        00:00:00 ora_q000_orcl
oracle    6480     1  0 11:43 ?        00:00:00 ora_q001_orcl
oracle    6557     1  0 11:53 ?        00:00:00 ora_j000_orcl
oracle    6559  6484  0 11:53 pts/4    00:00:00 grep ora_