* 메세지 브로드캐스트
wall 메세지
ctrl+D
*개인에게 메세지 보내기
write userid pts/number
ctrl+d
--display cpu information:
cat proc/cpuinfo
--mail in linux (when sendmail server is running) :
-check mail : mail
-writing mail :
mail graphy21@gmail.com
subject: something
something
.
2*(ctrl+c) mean cancel.
-writing mail by file : mail -s 'subject' graphy21@gmail.com < some_file.ext
--check running demon in kernel:
ps acx
-check zombi process & kill that:
ps axj # 'z' in STAT field in output mean zombi
kill -l # list of signal which can be send to process
kill [-signal number || signal] PID # example : kill -9 973
--display cpu information:
cat proc/cpuinfo
--mail in linux (when sendmail server is running) :
-check mail : mail
-writing mail :
mail graphy21@gmail.com
subject: something
something
.
2*(ctrl+c) mean cancel.
-writing mail by file : mail -s 'subject' graphy21@gmail.com < some_file.ext
--check running demon in kernel:
ps acx
-check zombi process & kill that:
ps axj # 'z' in STAT field in output mean zombi
kill -l # list of signal which can be send to process
kill [-signal number || signal] PID # example : kill -9 973
