IFT250-Final Exam Questions and
Answers 100% Solved | Rated A+
If the system does not have the apropos command man -k can be used
instead. - ✔✔True
The below commands will create the same files
echo > README
echo > readme - ✔✔False
Out of the below options, select all that apply. Your system user-id is used
for which of the below purposes:
-Logging into the system
-Output of who command
-Communication with other users - ✔✔-Logging into the system
-Output of who command
-Communication with other users
1
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,script command in UNIX is used to record your session - ✔✔True
Select all options that apply. What is true for using a "#" before a command
? - ✔✔-The shell will not interpret the words as commands
-# can be used to record comment for documentation
When a program needs to read a file on a disk, it makes a system call to
the operating system. The OS then directs the disk controller to open the
file and enables the program to read data from the file. - ✔✔True
The output in the who command cannot have same user-id more than
once. - ✔✔False
Directories, devices, terminals, and printers are not treated as files in UNIX.
- ✔✔False
Interaction with a UNIX system is achieved through the shell. The shell acts
as a command interpreter by interpreting the keyed in word as a command
to be executed. - ✔✔True
What do the | and the three dots in the SYNOPSIS section of man pages
indicate as shown below?
/usr/xpg4/bin/tail [ -f | -r ]
2
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, /usr/bin/ls [ -aAbcCdfFgilLmnopqrRstux1 ] [ file ... ] - ✔✔The three dots
signify that there can be more than one instance of the argument passed
for that command.
The | also known as "pipe" signifies that only one option on either side of
the pipe can be used.
Why is the mailx command is superior to a GUI program like Netscape or
Mozilla - ✔✔-non-interactive scripts can be used with the shell to interact
with mailx
-mailx can pipe the contents of a file into a command to send mail
Echo will be treated as a built in command even if it is found in /bin . -
✔✔True
The cd command can be found in /usr/sbin . - ✔✔False
A nonprivileged user cannot change the system date. Only users with root
access can. - ✔✔True
Select any four shell programs:
-Bourne shell
-Bourne again shell
-C shell
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Answers 100% Solved | Rated A+
If the system does not have the apropos command man -k can be used
instead. - ✔✔True
The below commands will create the same files
echo > README
echo > readme - ✔✔False
Out of the below options, select all that apply. Your system user-id is used
for which of the below purposes:
-Logging into the system
-Output of who command
-Communication with other users - ✔✔-Logging into the system
-Output of who command
-Communication with other users
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,script command in UNIX is used to record your session - ✔✔True
Select all options that apply. What is true for using a "#" before a command
? - ✔✔-The shell will not interpret the words as commands
-# can be used to record comment for documentation
When a program needs to read a file on a disk, it makes a system call to
the operating system. The OS then directs the disk controller to open the
file and enables the program to read data from the file. - ✔✔True
The output in the who command cannot have same user-id more than
once. - ✔✔False
Directories, devices, terminals, and printers are not treated as files in UNIX.
- ✔✔False
Interaction with a UNIX system is achieved through the shell. The shell acts
as a command interpreter by interpreting the keyed in word as a command
to be executed. - ✔✔True
What do the | and the three dots in the SYNOPSIS section of man pages
indicate as shown below?
/usr/xpg4/bin/tail [ -f | -r ]
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, /usr/bin/ls [ -aAbcCdfFgilLmnopqrRstux1 ] [ file ... ] - ✔✔The three dots
signify that there can be more than one instance of the argument passed
for that command.
The | also known as "pipe" signifies that only one option on either side of
the pipe can be used.
Why is the mailx command is superior to a GUI program like Netscape or
Mozilla - ✔✔-non-interactive scripts can be used with the shell to interact
with mailx
-mailx can pipe the contents of a file into a command to send mail
Echo will be treated as a built in command even if it is found in /bin . -
✔✔True
The cd command can be found in /usr/sbin . - ✔✔False
A nonprivileged user cannot change the system date. Only users with root
access can. - ✔✔True
Select any four shell programs:
-Bourne shell
-Bourne again shell
-C shell
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
