Unix Misc.
Terms
undefined, object
copy deck
- how can you tell the teh compress command was used on a file?
- the file will have a .Z appended to it.
- what is the mt command used for?
- move tape(mt) you can move magnetic tape to eof markers using the mt command.
- how do you access the unix calculator? how do you exit the unix calculator?
- bc, ctrl d
- what does the tar command used for?
- used to archive and extract files to and from a single file called a tar file.
- how do you create an executable script from a text file?
- type chmod +x {filename}
- in the command grep -i, what does the flag -i do?
- -i tells the command to ignore the case.
- Name 2 ways to locate a file.
- find and grep
- what does grep stand for and what does it do?
- global regular expression print. you can locate text within files
- What are the wildcard characters for unix?
-
? = one character
* = all characters - in the command ln -s, what is the -s flag and what is it used for?
- -s creates a soft link. this allows linking to a file on a different file system.
- What flag do you use to sort numbers?
- sort -n
- how do your run a process in the backgroung?
- add the ampersand (&) after the command. ex: find / -name force -print > force.files &