ULIMIT(3) Linux ULIMIT(3) ulimit - #include long ulimit(int cmd, long newlimit); getrlimit(2)setrlimit(2) sysconf(3) shell ulimit() bash(1) ulimit() cmd UL_GETFSIZE 512 UL_SETFSIZE 3 Linux 4 ulimit() -1 errno EPERM attributes(7) +---------+--------------------+--------------------+ | | | | +---------+--------------------+--------------------+ |ulimit() | | | +---------+--------------------+--------------------+ SVr4POSIX.1-2001POSIX.1-2008 ulimit() bash(1), getrlimit(2), setrlimit(2), sysconf(3) Linux man-pages 5.10 https://www.kernel.org/doc/man-pages/ man man https://github.com/man-pages-zh/manpages- zh Linux 2017-09-15 ULIMIT(3)