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updated echo and apt comands #247

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merged 3 commits into from
Oct 23, 2021
Merged

updated echo and apt comands #247

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900b688
added example to save text to files using echo
Oct 22, 2021
f87de0e
include the search option for the apt command
Oct 22, 2021
dae15d7
Update 052-the-apt-command.md
Oct 22, 2021
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9 changes: 8 additions & 1 deletion ebook/en/content/021-the-echo-command.md
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Expand Up @@ -13,7 +13,14 @@ echo Hello There
```
echo *
```

3. To save text to a file named foo.bar:
```
echo "Hello There" > foo.bar
```
4. To append text to a file named foo.bar:
```
echo "Hello There" >> foo.bar
```
### Syntax:

```
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12 changes: 12 additions & 0 deletions ebook/en/content/052-the-apt-command.md
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Expand Up @@ -32,6 +32,18 @@ sudo apt remove g++
This command will remove g++ from your system.


### Searching for a package:
`search` followed by the `package_name` used with apt to search a package across all repositories.
##### Syntax:
```
apt search package_name
```
note: sudo not required
##### Example:
```
apt search g++
```

### Removing unused packages:
Whenever a new package that depends on other packages is installed on the system, the package dependencies will be installed too. When the package is removed, the dependencies will stay on the system. This leftover packages are no longer used by anything else and can be removed.

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