To search through the first column, use:
| nismatch string tablename nisgrep reg-exp tablename | 
To search through a particular column, use:
| nismatch column=string tablename nisgrep column=reg-exp tablename | 
To search through multiple columns, use:
| nismatch column=string tablename ...\ nismatch [column=string,...],tablename nisgrep column=reg-exp ... \ tablename | 
| Option | Description | 
|---|---|
| -c | Count. Instead of the entries themselves, displays a count of the entries that matched the search criteria. | 
| -h | Header. Displays a header line above the entries, listing the name of each column. | 
| -M | Master. Displays only the entries of the table stored on the master server. This ensures you get the most up-to-date information and should be used only for debugging. |