zcat
The zcat utility allows you to examine the contents of a compressed file much the same way that cat displays a file.
Sysfs does not contains a) regular files b) symbolic links c) directories d) none of the mentioned
The directories in the /sys directory represents a) the device files b) major subsystems that are registered with sysfs c) details of buses only d) none of the mentioned
In sysfs the device drivers of same _____ are expected to provide same functionalities to the user mode application. a) class b) kobjects c) ksets d) none of the mentioned
In which directory every kernel module of the system is represented? a) /sys/kernel b) /sys/module c) /sys/kernel/module d) none of the mentioned
The channel between the processor and devices is called? a) bus b) driver c) class d) none of the mentioned
Each driver in the device driver model is described by a ______ object. a) dev_d b) device_d c) dev_driver d) device_driver
Each device in the device driver model is represented by a _____ object. a) driver b) device c) node d) none of the mentioned
Which one of the following is a read-write semaphore in linux that protects all ksets and kobjects included in the filesystem? a) rwsem b) rwsemaphore c) rws d) none of the mentioned
The kset contains a) pointer to subsystem descriptor b) pointer to the kobject type descriptor of the kset c) head of the kobjects included in the kset d) all of the mentioned
The core data structure of device driver model is a) kobject b) kfile c) kmodule d) none of the mentioned
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