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To safely clear a log file in Linux, use: 1. > filename to truncate it. 2. echo -n > filename to overwrite with nothing. 3. truncate -s 0 filename to set size to zero. Always confirm the file isn’t actively written by a running process.

To safely and efficiently clear a log file in Linux, try these methods: 1. Use `> filename`. 2. Use `echo -n > filename`. 3. Use `truncate -s 0 filename`. Always ensure the file isn't actively written by a running process.