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Test Your Knowledge in Computers #97
Difficulty: Easy
Unix is a multi-user operating system where the same resources can be shared by different users even if they do not have the proper permissions to do so.
True or False?
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rio_release_dma(9) [centos man page]

RIO_RELEASE_DMA(9)					     RapidIO driver interface						RIO_RELEASE_DMA(9)

NAME
rio_release_dma - release specified DMA channel SYNOPSIS
void rio_release_dma(struct dma_chan * dchan); ARGUMENTS
dchan DMA channel to release AUTHOR
Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com> Author. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 RIO_RELEASE_DMA(9)

Check Out this Related Man Page

ENUM 
IEEE80211_CHANN(9) Device registration ENUM IEEE80211_CHANN(9) NAME
enum_ieee80211_channel_flags - channel flags SYNOPSIS
enum ieee80211_channel_flags { IEEE80211_CHAN_DISABLED, IEEE80211_CHAN_PASSIVE_SCAN, IEEE80211_CHAN_NO_IBSS, IEEE80211_CHAN_RADAR, IEEE80211_CHAN_NO_HT40PLUS, IEEE80211_CHAN_NO_HT40MINUS, IEEE80211_CHAN_NO_OFDM, IEEE80211_CHAN_NO_80MHZ, IEEE80211_CHAN_NO_160MHZ }; CONSTANTS
IEEE80211_CHAN_DISABLED This channel is disabled. IEEE80211_CHAN_PASSIVE_SCAN Only passive scanning is permitted on this channel. IEEE80211_CHAN_NO_IBSS IBSS is not allowed on this channel. IEEE80211_CHAN_RADAR Radar detection is required on this channel. IEEE80211_CHAN_NO_HT40PLUS extension channel above this channel is not permitted. IEEE80211_CHAN_NO_HT40MINUS extension channel below this channel is not permitted. IEEE80211_CHAN_NO_OFDM OFDM is not allowed on this channel. IEEE80211_CHAN_NO_80MHZ If the driver supports 80 MHz on the band, this flag indicates that an 80 MHz channel cannot use this channel as the control or any of the secondary channels. This may be due to the driver or due to regulatory bandwidth restrictions. IEEE80211_CHAN_NO_160MHZ If the driver supports 160 MHz on the band, this flag indicates that an 160 MHz channel cannot use this channel as the control or any of the secondary channels. This may be due to the driver or due to regulatory bandwidth restrictions. DESCRIPTION
Channel flags set by the regulatory control code. AUTHOR
Johannes Berg <johannes@sipsolutions.net> Author. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 ENUM IEEE80211_CHANN(9)

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