What are the various IPC mechanisms? Why is message passing costlier than semaphore?
Explain about gzip filename?
Brief about the command ff?
Brief about the command kill PID?
Explain about lpr filename?
Brief about FTP hostname?
Explain about the command lynx?
Explain about sh?
Brief about finger username?
Explain about chmod options filename?
Explain about lprm job number?
Explain about system and user utilities?
Explain about communication features in UNIX?
State and explain about features of UNIX?
Brief about the command nn?