file (command)

 file your_file.zip
 your_file.zip: Zip archive data, at least v2.0 to extract

file encrypted.data
encrypted.data: openssl enc'd data with salted password

Related commands

• md5sum

See also

• file, File system, directory, touch, mkdir, ls, ln truncate, fallocate, split, stat, inode, File descriptor, superblock, block size (blockdev), fuser, lsof, scrub, chattr, ulimit (nofiles), cp, mv, file (command), mkfifo, chmod