lsof -d  fd_type

[root@netkiller ~]# lsof -d 2
COMMAND     PID      USER   FD   TYPE DEVICE SIZE/OFF    NODE NAME
init          1      root    2u   CHR    1,3      0t0    3794 /dev/null

根據檔案描述範圍列出檔案信息
[root@netkiller ~]# lsof -d 2-4 
COMMAND     PID      USER   FD   TYPE             DEVICE  SIZE/OFF       NODE NAME
init          1      root    2u   CHR                1,3       0t0       3794 /dev/null

列出COMMAND列中包含字元串" httpd"，且檔案描符的類型為txt的檔案信息
[root@netkiller ~]# lsof -c httpd -a -d txt
COMMAND  PID USER  FD   TYPE DEVICE SIZE/OFF    NODE NAME
httpd   2374 root txt    REG    8,2  1772950 4985314 /usr/local/apache/bin/httpd