Explain ‘system calls’ with respect to unix commands?
use of ls command
What is the general format of unix command syntax?
What is an Environment Variable?
fork in unix ?
Write a grep (or grep) command that selects the lines from a file that have exactly three characters.
What is shrinking file system in AIX where it actually resides?
What does this command do,"$more readme.txt“?
what is the use of ls -l command & what is the information it gives about user ?
What is the procedure of "at" and crontab" commands?
Which command should you use to find the remaining disk space in unix server?
what does the job command do?
What is difference between grep and find command in unix?