⟩ How to know linux os is 32 bit or 64 bit?
#uname -a
we get the information about os
and Regarding CPU
#grep flags /proc/cpuinfo
if cpu is in
Long mode - 64 bit CPU
Real mode 16 bit CPU
Protected Mode is 32-bit CPU
#uname -a
we get the information about os
and Regarding CPU
#grep flags /proc/cpuinfo
if cpu is in
Long mode - 64 bit CPU
Real mode 16 bit CPU
Protected Mode is 32-bit CPU
Which command is used to close the vi editor? a) q b) wq c) both (a) and (b) d) none of the mentioned
Which vi editor command copies the current line of the file? a) yy b) yw c) yc d) none of the mentioned
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