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32 Cards in this Set
- Front
- Back
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What kind of path names should you not use with the tar command?
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absolute
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If you want to use absolute pathnames with tar, use this option so the leading slash will not get stripped?
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-P
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To create a tar file of the PWD, use the "-xy" option? (where "x" creates the tar file & "y" gives the name for the new archive).
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-cf
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You can view the contents of your tar file using -"xy" option? (where x causes tar to print the names of the tar files)
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-tf
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To extract your tar file use the -"xyz" option? (where "x" tells tar to extract, "y" tells tar to print in standard output and "z" names the tar file to be extracted).
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-xvf
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use the -"wxyz" option with tar to extract files in interactive mode (prompted file by file for extraction).
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-xvwf
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If you know the name of the file you want to extract, you can pass it directly to tar using this option?
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tar -xf myarchive.tar myfile
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using this option, tar will leave an existing file intact when doing a select extraction?
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-k
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As part of your backup strategy, you want to back up the /home directories to /backups on another partition. What would you type at the command line?
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tar -cf /backups/HomeBackUp.tar home/*
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you can uncompress a gzip file using these 2 methods?
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gunzip, gzip -d
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show command to create a tar file called myarchive.tar in the pwd & gzip it.
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tar -cf myarchive.tar . | gzip myarchive.tar
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When using tar & gzip you must have enough free space for what?
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the compressed & uncompressed file.
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What option can you use to tar & gzip a directory without using a pipe added gzip command?
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tar -czf myarchive.tar
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A tar.gz file can also end with?
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.tgz
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What command would you enter to uncompress the MyArchive.tar.gz
located in the pwd. |
tar -xzf MyArchive.tar.gz
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You want to get a list of all the directories in your home directory sorted by time with the newest level at the top. What command would you use?
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ls -tdR *
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What command do you use to change the access time on May_report to the present time?
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touch -a May_report
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By default, what shell does linux log you into? Where is it defined?
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bash, /etc/passwd
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to determine what shell you are currently using ,type:
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echo $SHELL
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Use this command to change finger info for your account?
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chfn
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to permanenetly change your shell, use this command?
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chsh -s shellname
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You can enter multiple commands on a single line by separating them by?
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;
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Use this to wrap command text to the next line (when it's too big for the display). It tells OS to ignore next character
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\
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This emacs command line combo will move your cursor to the beginning of the word on the left
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esc+b
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This emacs command line combo will move your cursor to the beginning of the word on the right
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esc+f
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This emacs command line combo will move your cursor to the beginning of the line
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ctrl+A
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This emacs command line combo will move your cursor to the end of the line
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ctrl+E
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This emacs command line combo will delete 1 word to the left of the cursor
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Esc+Del
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This emacs command line combo will delete 1 word from right of cursor
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Esc+d
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This emacs command line combo will delete from cursor to end of line
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Ctrl+K
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By default emacs config is kept here?
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/etc/inputrc
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You can use these 2 options to have bash complete your commands for you?
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tab once or escape twice
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