By using chmod command
for example chmod 777 <file name>
its for full permissionof the file
read =4
write =2
execute=1
user group other
7 7 7
4+2+1 4+2+1 4+2+1
r+w+e r+w+e r+w+e
other example
we give permission to user to full and give group and other
to only read and execute than
chmod 755 <file name>
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
Which of the following is "NOT" a UNIX variant? a) Solaris b) AIX c) IRIX d) AS400
The system calls in UNIX is written using which language? a) C b) C++ c) Assembly Language d) Fortran
Which of the following enables multi-tasking in UNIX? a) Time Sharing b) Multi programming c) Multi user d) Modularity
Which of the following is considered as the super daemon in Unix? a) sysinit b) init c) inetd d) proc
Unix is which kind of Operating System? a) Multi User b) Multi Processes c) Multi Tasking d) All the above
SVR4 stands for? a) Standard Version Release 4 b) System Version Release 4 c) Standard Five Release 4 d) System Five Release 4
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