(Linux)_Kernel Parameter : limits.conf

[root@ORACLE-SVR ~]# cat /etc/security/limits.conf
# /etc/security/limits.conf
#
#Each line describes a limit for a user in the form:
#
#<domain>        <type>  <item>  <value>
#
#Where:
#<domain> can be:
#        - an user name
#        - a group name, with @group syntax
#        - the wildcard *, for default entry
#        - the wildcard %, can be also used with %group syntax,
#                 for maxlogin limit
#
#<type> can have the two values:
#        - "soft" for enforcing the soft limits
#        - "hard" for enforcing hard limits
#
#<item> can be one of the following:
#        - core - limits the core file size (KB)
#        - data - max data size (KB)
#        - fsize - maximum filesize (KB)
#        - memlock - max locked-in-memory address space (KB)
#        - nofile - max number of open files (동시에 파일을 열 수 있는 개수 지정)
#        - rss - max resident set size (KB)
#        - stack - max stack size (KB) (한 프로세스 당 사용 가능한 stack 크기 지정)
#        - cpu - max CPU time (MIN)
#        - nproc - max number of processes (한 사용자 당 사용 가능한 프로세스 개수 지정)
#        - as - address space limit (KB)
#        - maxlogins - max number of logins for this user
#        - maxsyslogins - max number of logins on the system
#        - priority - the priority to run user process with
#        - locks - max number of file locks the user can hold
#        - sigpending - max number of pending signals
#        - msgqueue - max memory used by POSIX message queues (bytes)
#        - nice - max nice priority allowed to raise to values: [-20, 19]
#        - rtprio - max realtime priority
#
#<domain>      <type>  <item>         <value>
#

#*               soft    core            0            (최소)
#*               hard    rss             10000     (최대)
#@student        hard    nproc          20
#@faculty        soft    nproc            20
#@faculty        hard    nproc           50
#ftp                hard    nproc           0
#@student        -       maxlogins      4

# End of file