++ command -v gpspipe
/usr/bin/gpspipe

++ gpspipe -V
gpspipe: 3.17 (revision 3.17)

++ gpspipe -w -n 2
{"class":"VERSION","release":"3.17","rev":"3.17","proto_major":3,"proto_minor":12}
{"class":"DEVICES","devices":[{"class":"DEVICE","path":"/dev/ttyPS1","driver":"NMEA0183","activated":"2024-03-20T21:30:16.529Z","flags":1,"native":0,"bps":9600,"parity":"N","stopbits":1,"cycle":1.00}]}

++ command -v ipcs
/usr/bin/ipcs
++ ipcs -m
++ sed -nE '/key/p;/KEY/p;/0x4e5450/p'
key        shmid      owner      perms      bytes      nattch     status
0x4e545030 0          root       600        80         2
0x4e545031 32769      root       600        80         1
0x4e545032 65538      root       666        80         1
0x4e545033 98307      root       666        80         1
0x4e545034 131076     root       666        80         1
0x4e545035 163845     root       666        80         1
0x4e545036 196614     root       666        80         1
0x4e545037 229383     root       666        80         1

++ command -v ntpshmmon
/usr/bin/ntpshmmon
++ ntpshmmon -V
ntpshmmon: version 3.17 (revision 3.17)
++ ntpshmmon -n 6 -t 10
ntpshmmon version 1
#      Name Seen@                Clock                Real                 L Prec
sample NTP0 1710970216.998050238 1710970216.996932192 1710970217.000000000 0 -20
sample NTP0 1710970217.997965497 1710970217.997072623 1710970218.000000000 0 -20
sample NTP0 1710970218.995839223 1710970218.995499124 1710970219.000000000 0 -20
sample NTP0 1710970219.998058098 1710970219.997256239 1710970220.000000000 0 -20
sample NTP0 1710970220.998086152 1710970220.996989684 1710970221.000000000 0 -20
sample NTP0 1710970221.997121851 1710970221.997093880 1710970222.000000000 0 -20

++ ls -l '/dev/pps*' /dev/ttyPS0 /dev/ttyPS1 '/dev/gps*'
ls: /dev/pps*: No such file or directory
ls: /dev/gps*: No such file or directory
crw-------    1 root     tty       252,   0 Mar 20 21:30 /dev/ttyPS0
crw-rw----    1 root     dialout   253,   1 Mar 20 21:27 /dev/ttyPS1