Listed commands
- fold - Wrap each input line to fit in specified width [file]
- md5sum - Compute and check MD5 message digest [cryptography][file][text]
- chroot - Run command or interactive shell with special root directory [file]
- pwd - Print name of current/working directory [file]
- rmdir - Remove empty directories rmdir (2) - delete a directory [file][directory]
- mkdir - Make directories [file]
- rm - Remove files or directories [file]
- find - Search for files in a directory hierarchy [file]
- chmod - Change file mode bits [file]
- chown - Change file owner and group [file]
- dd - Convert and copy a file [file]
- tail - Output the last part of files [text][file]
- ls - List directory contents [file]
- head - Output the first part of files [file][text]