# zfgrep > Matches fixed strings in possibly compressed files. > Equivalent to `grep -F` with input decompressed first if necessary. > More information: . - Search for an exact string in a file: `zfgrep {{search_string}} {{path/to/file}}` - Count the number of lines that match the given string in a file: `zfgrep --count {{search_string}} {{path/to/file}}` - Show the line number in the file along with the matching lines: `zfgrep --line-number {{search_string}} {{path/to/file}}` - Display all lines except those that contain the search string: `zfgrep --invert-match {{search_string}} {{path/to/file}}` - List only filenames whose content matches the search string at least once: `zfgrep --files-with-matches {{search_string}} {{path/to/file1 path/to/file2 ...}}`