-a | --ascii | Convert end of lines using local conventions, supported on non-Unix systems. In Windows environmment, CR LF is converted to LF when compressing, and LF is converted to CR LF when decompressing. |
-c | --stdout, --to-stdout | Output to stdout. |
-d | --decompress, --uncompress | Decompress |
-f | --force | |
-h | --help | |
-l | --list | When compressing: print compressed size, compression ratio and name of the uncompressed file. With --verbose, it also prints comppression method, crc, time stamp of uncompressed data. |
-L | --license | Display the gzip license and quit. |
-n | --no-name | When compressing, do not save the original file name and time stamp by default. When decompressing, do not restore the original file name and time stamp. Default option when decompressing. |
-N | --name | When compressing, also store the original file name and time stamp. When decompressing, restore the original file name and time stamp (if present). Default option when compressing. |
-q | --quiet | Suppress all warnings. |
-r | --recursive | |
-S | --suffix | Add specified suffix instead of .gz. when compressing. .z and .gz (?) should be avoided to avoid confusion when files are transferred to other systems. |
-t | --test | Check the compressed file integrity. |
-v | --verbose | Display the name and percentage reduction for each file compressed or decompressed. |
-V | --version | Display the version number and compilation options then quit. |
-# | --fast, --best | # = 1…9 (1 = fastests, 9 = best), defualt = -6 |