Ubunto, 270
UDF (Universal Disk Format), 31
UnionFS, 207
unmounting proc filesystem, 238
unrm command, 151-152
updating
initial RAM disk, 223-225
Nessus plug-ins, 135
upgrading Firefox and Thunderbird, 249-250
uploading FTP file, 73
URLsnarf, 180-181
USB jump drive, saving data to, 116-117
username, creating and changing, 274-275
Utilities → Manage Software in Knoppix, 4