unix commands

2. – file transfer program
4. – copy a file
6. – make a directory
8. – move or rename files or directories
9. – change directory
12. – unmounts a currently mounted file system.
13. – display the name of your current directory
14. – create and use archives of files
16. – list names of files in a directory
17. – The more utility is a filter that displays the contents of a text file on the terminal, one screenful at a time.

1. – compress a file
3. – Top displays the top 10 processes on the system and periodically updates this information. Raw cpu percentage is used to rank the processes.
4. – change the permissions of a file or a directory.
5. – print out a file
7. – Report file system disk space usage. Example usage: df -k
8. – attaches a file system to the file system hierarchy at the mount_point, which is the pathname of a directory.
9. – concatenate and display files.
10. – Use this command to see the size/usage of the folder you are in. Example usage: du -sk *
11. – remove a directory
13. – The ps command prints information about active processes.
15. – remove files or directories
16. – Less is a program similar to more (1), but which allows backward movement in the file as well as forward movement. Also, less does not have to read the entire input file before starting,so with large input files it starts up faster than text editors like vi