-b : Batch mode operation
Starts top in 'Batch mode', which could be useful for sending output from top to other programs or
to a file. In this mode, top will not accept input and runs until the iterations limit you've set
with the '-n' command-line option or until killed.
-c : Command line/Program name toggle
Starts top with the last remembered 'c' state reversed. Thus, if top was displaying command lines,
now that field will show program names, and visa versa. See the 'c' interactive command for
additional information.
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-d : Delay time interval as: -d ss.tt (seconds.tenths)
Specifies the delay between screen updates, and overrides the corresponding value in one's personal
configuration file or the startup default. Later this can be changed with the 'd' or 's'
interactive commands.
Fractional seconds are honored, but a negative number is not allowed. In all cases, however, such
changes are prohibited if top is running in 'Secure mode', except for root (unless the 's'
command-line option was used). For additional information on 'Secure mode' see topic 5a. SYSTEM
Configuration File.
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-h : Help
Show library version and the usage prompt, then quit.
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-H : Threads toggle
Starts top with the last remembered 'H' state reversed. When this toggle is On, all individual
threads will be displayed. Otherwise, top displays a summation of all threads in a process.
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-i : Idle Processes toggle
Starts top with the last remembered 'i' state reversed. When this toggle is Off, tasks that are
idled or zombied will not be displayed.
-n : Number of iterations limit as: -n number
Specifies the maximum number of iterations, or frames, top should produce before ending.
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-u : Monitor by user as: -u somebody
Monitor only processes with an effective UID or user name matching that given.
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-U : Monitor by user as: -U somebody
Monitor only processes with a UID or user name matching that given. This matches real, effective,
saved, and filesystem UIDs.
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-p : Monitor PIDs as: -pN1 -pN2 ... or -pN1, N2 [,...]
Monitor only processes with specified process IDs. This option can be given up to 20 times, or you
can provide a comma delimited list with up to 20 pids. Co-mingling both approaches is permitted.
This is a command-line option only. And should you wish to return to normal operation, it is not
necessary to quit and and restart top -- just issue the '=' interactive command.
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-s : Secure mode operation
Starts top with secure mode forced, even for root. This mode is far better controlled through the
system configuration file (see topic 5. FILES).
-S : Cumulative time mode toggle
Starts top with the last remembered 'S' state reversed. When 'Cumulative mode' is On, each process
is listed with the cpu time that it and its dead children have used. See the 'S' interactive
command for additional information regarding this mode.
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-v : Version
Show library version and the usage prompt, then quit.
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