These list of Linux commands will help you when you are working with the Terminal

• alias:         Allows you to set aliases and view the current aliases.
• awk:          Search for a pattern within a file
• alien:         Converts .tgz and rpm's to .deb format.

• banner:       Prints characters as a poster.
• badblocks:  Searches a device for bad blocks.
• biff:             Turns mail notification on and off.
• bg:             Move a job running in the foreground to the background.
• bzip2:         Used to compre...

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NAME
       grep, egrep, fgrep, rgrep - print lines matching a pattern

SYNOPSIS
       grep [OPTIONS] PATTERN [FILE...]
       grep [OPTIONS] [-e PATTERN | -f FILE] [FILE...]

DESCRIPTION
       grep  searches  the named input FILEs (or standard input if no files are named, or if a single hyphen-minus (-) is
       given as file name) for lines containing a match to the given PATTERN.   By  default,  grep  prints  the  matching
       lines.

       In addition, three variant programs egrep, fgrep and r...
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NAME
       sudo, sudoedit - execute a command as another user

SYNOPSIS
       sudo [-n] -h | -K | -k | -L | -V | -v

       sudo -l[l] [-AnS] [-g groupname|#gid] [-U username] [-u username|#uid] [command]

       sudo [-AbEHnPS] [-a auth_type] [-C fd] [-c class|-] [-g groupname|#gid] [-p prompt] [-r role] [-t type]
       [-u username|#uid] [VAR=value] [-i | -s] [command]

       sudoedit [-AnS] [-a auth_type] [-C fd] [-c class|-] [-g groupname|#gid] [-p prompt] [-u username|#uid] file ...

DESCRIPTION
 ...
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NAME
       su - change user ID or become superuser

SYNOPSIS
       su [options] [username]

DESCRIPTION
       The su command is used to become another user during a login session. Invoked without a username, su defaults to
       becoming the superuser. The optional argument - may be used to provide an environment similar to what the user
       would expect had the user logged in directly.

       Additional arguments may be provided after the username, in which case they are supplied to the user´s...
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NAME
       rm - remove files or directories

SYNOPSIS
       rm [OPTION]... FILE...

DESCRIPTION
       This manual page documents the GNU version of rm.  rm removes each specified file.  By default, it does not remove
       directories.

       If the -I or --interactive=once option is given, and there are more than three files or the -r, -R, or --recursive
       are  given,  then  rm  prompts  the user for whether to proceed with the entire operation.  If the response is not
       affirmative, the ...
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NAME
       paste - merge lines of files

SYNOPSIS
       paste [OPTION]... [FILE]...

DESCRIPTION
       Write lines consisting of the sequentially corresponding lines from each FILE, separated by TABs, to standard out‐
       put.  With no FILE, or when FILE is -, read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -d, --delimiters=LIST
              reuse characters from LIST instead of TABs

       -s, --serial
              paste one file at a ...
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NAME
       cp - copy files and directories

SYNOPSIS
       cp [OPTION]... [-T] SOURCE DEST
       cp [OPTION]... SOURCE... DIRECTORY
       cp [OPTION]... -t DIRECTORY SOURCE...

DESCRIPTION
       Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.

       Mandatory  arguments  to  long  options are mandatory for short options
       too.

       -a, --archive
              same as -dR --preserve=all

       --backup[=CONTROL]
              make a backup of each existing destination file

       -b     l...
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