## get top process eating memory
alias psmem='ps auxf | sort -nr -k 4'
 
## get top process eating cpu ##
alias pscpu='ps auxf | sort -nr -k 3'

ps -o pid,cmd,pmem,vsz,size,rss
  print pid and cmd-line

# get top process eating memory
alias psmem10='ps -e -orss=,args= | sort -b -k1,1n| tail -10'

-e
    all processes
-o
    STANDARD FORMAT SPECIFIERS
    rss  resident set size

/proc/

cd /proc/1084
cat cmdline
cat environ
ls -l cwd

Killing:

killall -9 <ps_name>