⟩ Explain any one service which are working on UDP only?
BOOTPS (67port number)
BOOTPC(68 port number)
belongs to DHCP
BOOTPS (67port number)
BOOTPC(68 port number)
belongs to DHCP
Which command will delete all the blank lines in file old.txt? a) sed '/d' old.txt b) sed '/^/d' old.txt c) sed '/^$/d' old.txt d) sed '/^*/d' old.txt
Which command searches the string in file opened in vi editor? a) / or ? b) f or F c) t or T d) none of the mentioned
Which one of the following statement is true? a) autoindentation is not possible in vi editor b) autoindentation can be set using the command 'set ai' c) autoindentation can be set using the command 'set noai' d) autoindentation is set by default in vi editor
In vi editor, the key combination CTRL+f a) moves screen down one page b) moves screen up one page c) moves screen up one line d) moves screen down one line
Which one of the following statement is not true? a) vim editor is the improved version of vi editor b) vi editor commands are not case sensitive c) vi editor has two modes of operation command mode and insert mode d) vi stands for visual editor
Which command is used to delete the character before the cursor location in vi editor? a) X b) x c) D d) d
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