Operating System

Linux Commands – Set 2

An L-Z Index of the Bash command line for Linux. L less Display output one screen at a time let Perform arithmetic on shell variables • link Create a link to a file ln Create a symbolic link to a file local Create variables • locate Find files logname Print current login name logout Exit Read More →

Linux Commands – Set 1

An A-K Index of the Bash command line for Linux. A alias Create an alias apropos Search Help manual pages (man -k) apt-get Search for and install software packages (Debian/Ubuntu) aptitude Search for and install software packages (Debian/Ubuntu) aspell Spell Checker awk Find and Replace text, database sort/validate/index B basename Strip directory and suffix from Read More →

Operating System Interview Questions – Set 2

Operating System Questions and Answers – This set of Operating System MCQs will be useful for interview preparations for experienced people. #1: The two steps of a process execution are : (choose two) a) I/O Burst b) CPU Burst c) Memory Burst d) OS Burst Show Answer Answer: a and b Explanation: none. #2: Scheduling Read More →

Operating System Interview Questions – Set 1

Operating System Questions and Answers – This set of Operating System MCQs will be useful for interview preparations for experienced people. #1: A system is in the safe state if a) the system can allocate resources to each process in some order and still avoid a deadlock b) there exist a safe sequence c) both Read More →