https://community.hpe.com/t5/operating-system-hp-ux/a-problem-about-ulimit/m-p/3872390#M773520 my system is <BR />rx2620dl[/]# uname -a<BR />HP-UX rx2620dl B.11.23 U ia64 1531644726 unlimited-user license<BR /><BR />when I run command ulimit -n 8000<BR />rx2620dl[/]#ulimit -n 8000<BR />rx2620dl[/]#ulimit -a<BR />time(seconds) unlimited<BR />file(blocks) unlimited<BR />data(kbytes) 1048576<BR />stack(kbytes) 8192<BR />memory(kbytes) unlimited<BR />coredump(blocks) 4194303<BR />nofiles(descriptors) 8000<BR /><BR />but kctune -q maxfiles_lim is still 8192<BR /><BR />i want to know why maxfiles_lim did not change to 8000 after running ulimit -n 8000.<BR />could you also tell me something about how to use ulimit? thanks a lot Fri, 29 Sep 2006 10:55:14 GMT lin.chen 2006-09-29T10:55:14Z https://community.hpe.com/t5/operating-system-hp-ux/a-problem-about-ulimit/m-p/3872390#M773520 my system is <BR />rx2620dl[/]# uname -a<BR />HP-UX rx2620dl B.11.23 U ia64 1531644726 unlimited-user license<BR /><BR />when I run command ulimit -n 8000<BR />rx2620dl[/]#ulimit -n 8000<BR />rx2620dl[/]#ulimit -a<BR />time(seconds) unlimited<BR />file(blocks) unlimited<BR />data(kbytes) 1048576<BR />stack(kbytes) 8192<BR />memory(kbytes) unlimited<BR />coredump(blocks) 4194303<BR />nofiles(descriptors) 8000<BR /><BR />but kctune -q maxfiles_lim is still 8192<BR /><BR />i want to know why maxfiles_lim did not change to 8000 after running ulimit -n 8000.<BR />could you also tell me something about how to use ulimit? thanks a lot Fri, 29 Sep 2006 10:55:14 GMT https://community.hpe.com/t5/operating-system-hp-ux/a-problem-about-ulimit/m-p/3872390#M773520 lin.chen 2006-09-29T10:55:14Z https://community.hpe.com/t5/operating-system-hp-ux/a-problem-about-ulimit/m-p/3872391#M773521 Ulimit by default displays the "soft" limits; try a ulimit -nH and you should have your answer. Max_files lim changes the "hard" value. ulimit -n and ulimit -nS are equivalent because both display the "soft" limits. Man sh-posix and look under the ulimit section for details. Fri, 29 Sep 2006 13:03:34 GMT https://community.hpe.com/t5/operating-system-hp-ux/a-problem-about-ulimit/m-p/3872391#M773521 A. Clay Stephenson 2006-09-29T13:03:34Z