RAM : We will check RAM, Process as well as HDD by the root
user...
RAM : #free
#cat /proc/meminfo
Process : ps -a -> It will show running process within all
terminals..
Hard Disk : #fdisk -l
To increase the response time and throughput, the kernel minimizes the frequency of disk access by keeping a pool of internal data buffer called a) Pooling b) Spooling c) Buffer cache d) Swapping
At start of process execution, STDOUT & STDERR a) Point to current terminal device b) Are closed c) Point to special files on the system d) None of the above
Wtmp and utmp files contain a) Temporary system data b) User login-logout log c) The user's command execution log d) The user's su and sudo attempts
Which is the core of the operating system? a) Shell b) Kernel c) Commands d) Script
ILP32 stands for a) 32 bit Integer, Long & Pointer b) 32 bit Integrated Long & Pointer c) 32 bit Intelligent Long & Pointer d) 32 bit Long & Pointer
Single Unix Specification Version 2 provides enhanced support for a) 16 bit Unix b) 32 bit Unix c) 64 bit Unix d) 8 bit Unix
Under UNIX the key board is the default input device and the monitor is the default output device. a) True b) False
Which among the following interacts directly with system hardware? a) Shell b) Commands c) Kernel d) Applications
Applications communicate with kernel by using a) System Calls b) C Programs c) Shell Script d) Shell
Solaris is the name of a flavor of UNIX from a) HP b) IBM c) Digital Equipment Corp d) Sun Microsystems
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