⟩ How to monitor ports in a linux machine, with single command?
nmap is not the default available command.we can use netstat
netstat -nl, netstat -nltp ,netstat -nulp
nmap is not the default available command.we can use netstat
netstat -nl, netstat -nltp ,netstat -nulp
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
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