Commands for finding out about the system and where you are in the system
(such as pwd, who, hostname, etc.)
How to find out what is in a file by displaying its contents with
cat, and how to find out what kind of a file you are working
with without having to use cat.
What makes a file a “hidden file” in Linux? How can you list all the files in a directory, including the hidden files?
How do you rename a file or copy a file? How can you do these operations without accidentally overwriting an existing file?
Make a compressed tar-gzip or tar-bzip2 file.
List a file or files, showing its permissions, file size, etc.
Using the chmod command in symbolic mode. For example,
I might tell you to use symbolic mode to set permissions for the owner of
file xyz to read and execute:
chmod u=rx xyz
And I might ask you to do a similar task with numeric parameters to
chmod, setting file xyz to read and execute
for the owner, read only for group, and execute only for anyone else:
chmod 541 xyz
Create symbolic and hard links
Given a directory structure like the one shown here, with your home directory as /home/student, be able to do things like:
- Copy file accounts/payable.dat to your home directory using absolute pathnames.
- Change your current directory to sales/fall.
- Using relative pathnames, copy file report.txt to the accounts directory.
- Change your current directory to accounts using relative pathnames.
- Move file receivable.dat to the sales/fall directory, and rename it to fall_rec.dat, all in one command, using relative pathnames.