RHEL6 某业务用户ulimit -a命令找不到

最终确定是shell环境问题，临时改为/bin/bash即可查看.

1.问题现象

# su - jingyu

$ id

uid=503(jingyu) gid=507(jingyu) groups=507(jingyu)

$ ulimit -a

ulimit: Command not found.

2.临时切换为/bin/bash即可查看

$ echo $SHELL

/bin/csh

$ bash

$ ulimit -a

core file size          (blocks, -c) 0

data seg size           (kbytes, -d) unlimited

scheduling priority             (-e) 0

file size               (blocks, -f) unlimited

pending signals                 (-i) 15978

max locked memory       (kbytes, -l) 64

max memory size         (kbytes, -m) unlimited

open files                      (-n) 102400

pipe size            (512 bytes, -p) 8

POSIX message queues     (bytes, -q) 819200

real-time priority              (-r) 0

stack size              (kbytes, -s) 8192

cpu time               (seconds, -t) unlimited

max user processes              (-u) 15978

virtual memory          (kbytes, -v) unlimited

file locks                      (-x) unlimited

$