For each of the commands introduced, examples of the relevant outputs are presented. In these examples, the first line is the command itself (after the dollar-sign prompt). Remarks are indicated by the use of square brackets [...] and long lines are broken up where necessary. Line endings for long lines are indicated by a backslash (\).

$ command -x -y
output line 1
output line 2
output line 3 is annoyingly long, so long that \
    we have to break it
output line 3
[...]
output line 98
output line 99

The descriptions have been kept short so as to allow as many utilities as possible to be mentioned. Further information on all the commands will be found in the relevant pages of the manual. Most of the commands also understand the parameter --help, which produces a brief list of the possible parameters.