timstack : TTY=pts/6 ; PWD=/auto/wstimstack/rpms/lbuild/test ; USER=root ; COMMAND=/usr/bin/tail /var/log/messages
 key  11:14             ^-^                                                                                                      TTY
 sym  15:18                 ^-^                                                                                                  pts
 num  19:20                     ^                                                                                                6
 val  15:20                 ^---^                                                                                                pts/6
pair  11:20             ^-------^                                                                                                TTY=pts/6
 key  23:26                         ^-^                                                                                          PWD
path  27:60                             ^-------------------------------^                                                        /auto/wstimstack/rpms/lbuild/test
 val  27:60                             ^-------------------------------^                                                        /auto/wstimstack/rpms/lbuild/test
pair  23:60                         ^-----------------------------------^                                                        PWD=/auto/wstimstack/rpms/lbuild/test
 key  63:67                                                                 ^--^                                                 USER
word  68:72                                                                      ^--^                                            root
 val  68:72                                                                      ^--^                                            root
pair  63:72                                                                 ^-------^                                            USER=root
 key  75:82                                                                             ^-----^                                  COMMAND
path  83:96                                                                                     ^-----------^                    /usr/bin/tail
wspc  96:97                                                                                                  ^                    
path  97:114                                                                                                  ^---------------^  /var/log/messages
 val  83:114                                                                                    ^-----------------------------^  /usr/bin/tail /var/log/messages
pair  75:114                                                                            ^-------------------------------------^  COMMAND=/usr/bin/tail /var/log/messages