How to decompress multiple files on Linux

To unzip multiple zipped .zip files:

for file in *.zip; do unzip "${file}"; done

To unzip multiple zipped .gz files;

gunzip *.gz

To unzip multiple zipped .bz2 files;

bunzip2 *.bz2

To extract multiple .tar.gz files;

for file in *.tar.gz; do tar zxf "${file}"; done

To extract multiple .tar.bz2 files;

for file in *.tar.bz2; do tar jxf "${file}"; done