S
- sack, sack
- sctp_maxburst, _maxburst
- secondarycache, ZFS 파일 시스템 등록 정보, 데이터베이스 제품에 대한 ZFS 조정
- segkpsize, segkpsize
- segspt_minfree, segspt_minfree
- send_buf (SCTP), send_buf
- send_buf (TCP), send_buf
- send_buf (UDP), send_buf
- _send_redirects, _send_redirects (ipv4 or ipv6)
- _shutack_wait_bound, _shutack_wait_bound
- _slow_start_after_idle, _slow_start_after_idle
- _slow_start_initial, _slow_start_initial
- slowscan, slowscan
- smallest_anon_port
- smallest_anon_port
- smallest_anon_port
- smallest_anon_port
- strmsgsz
- strmsgsz
- strctlsz
- su, su
- swapfs_minfree
- swapfs_minfree
- swapfs_minfree
- swapfs_reserve, swapfs_reserve
- syslog, syslog