Kunzwisisa Linux Command Watch

Mutemo we Linux watarisa runs command kakawanda, kuratidza zvawakabuda (yekutanga kuonekwa). Izvi zvinokubvumira kutarisa purogiramu yepurogiramu inoshandiswa pane nguva. Nokutadza, purogiramu inoshandiswa kwemaminitsi maviri; shandisa- kana kana -interval kutsanangura nguva yakasiyana.

I- d kana - indifferent flag ichasimbisa kusiyana pakati pekudzokorora kunoenderana. Nzira yekudzingisa inoita kusimbisa "kunyanya", ichiratidza kumira kwezviratidzo zvese zvakambochinja.

Rindira runomhanya kusvikira rambovhiringidzika.

Zvinyorwa zveThe Linux Watch Command

tarisa [-dhv] [-n ] [--differences [= cumulative]] [--help] [--interval = ] [--version]

Cherechedza

Cherechedza kuti murairo unopiwa "sh-c" zvinoreva kuti iwe unogona kushandiswa kushandisa zvinyorwa kuti uwane zvinodiwa.

Cherechedza kuti POSIX kushandiswa kushandiswa kunoshandiswa (kureva, sarudzo yekugadzirisa mashizha pamusangano wekutanga usingasarudzo). Izvi zvinoreva kuti mapuranga mushure mokuraira haakwanisi kududzirwa nehurindi pachedu.

Mienzaniso yeLinux Watch Command

Kuti uchengete tsamba, unogona kuita:

Tarisa-60 kubva

Kuti uone zviri mumabhuku ekuchinja, unogona kushandisa:

tarisa -d ls -l

Kana iwe uri kungofarira mafaira anowanikwa nemujoe joe, unogona kushandisa:

kurinda -d 'ls -l | fgrep joe '

Kuti uone migumisiro yekudzokorora, edza izvi:

Tarisa echo $$

tarisa echo '$$'

tarisa echo "'"' $$ '"'"

Zvinonyanya kukosha: Shandisa mutemo wevanhu ( % munhu ) kuti uone kuti murairo unoshandiswa sei pane imwe kombiyuta.