Update cheatsheets

freebsd/cal

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# cal
+
+> Display a calendar with the current day highlighted.
+> More information: <https://man.freebsd.org/cgi/man.cgi?cal>.
+
+- Display a calendar for the current month:
+
+`cal`
+
+- Display a calendar for a specific year:
+
+`cal {{year}}`
+
+- Display a calendar for a specific month and year:
+
+`cal {{month}} {{year}}`
+
+- Display the whole calendar for the current year:
+
+`cal -y`
+
+- Don't [h]ighlight today and display [3] months spanning the date:
+
+`cal -h -3 {{month}} {{year}}`
+
+- Display the 2 months [B]efore and 3 [A]fter a specific [m]onth of the current year:
+
+`cal -A 3 -B 2 {{month}}`
+
+- Display [j]ulian days (starting from one, numbered from January 1):
+
+`cal -j`

freebsd/chfn

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# chfn
+
+> This command is an alias of `chpass`.
+
+- View documentation for the original command:
+
+`tldr chpass`

freebsd/chpass

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# chpass
+
+> Add or change user database information, including login shell and password.
+> See also: `passwd`.
+> More information: <https://man.freebsd.org/cgi/man.cgi?chpass>.
+
+- Add or change user database information for the current user interactively:
+
+`su -c chpass`
+
+- Set a specific login [s]hell for the current user:
+
+`chpass -s {{path/to/shell}}`
+
+- Set a login [s]hell for a specific user:
+
+`chpass -s {{path/to/shell}} {{username}}`
+
+- Change the account [e]xpire time (in seconds from the epoch, UTC):
+
+`su -c 'chpass -e {{time}} {{username}}'`
+
+- Change a user's password:
+
+`su -c 'chpass -p {{encrypted_password}} {{username}}'`
+
+- Specify the [h]ostname or address of an NIS server to query:
+
+`su -c 'chpass -h {{hostname}} {{username}}'`
+
+- Specify a particular NIS [d]omain (system domain name by default):
+
+`su -c 'chpass -d {{domain}} {{username}}'`

freebsd/chsh

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# chsh
+
+> This command is an alias of `chpass`.
+
+- View documentation for the original command:
+
+`tldr chpass`

freebsd/df

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# df
+
+> Display an overview of the filesystem disk space usage.
+> More information: <https://man.freebsd.org/cgi/man.cgi?df>.
+
+- Display all filesystems and their disk usage using 512-byte units:
+
+`df`
+
+- Use [h]uman-readable units (based on powers of 1024) and display a grand total:
+
+`df -h -c`
+
+- Use [H]uman-readable units (based on powers of 1000):
+
+`df -{{-si|H}}`
+
+- Display the filesystem and its disk usage containing the given file or directory:
+
+`df {{path/to/file_or_directory}}`
+
+- Include statistics on the number of free and used [i]nodes including the filesystem [T]ypes:
+
+`df -iT`
+
+- Use 1024-byte units when writing space figures:
+
+`df -k`
+
+- Display information in a [P]ortable way:
+
+`df -P`

freebsd/look

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# look
+
+> Display lines beginning with a prefix in a sorted file.
+> See also: `grep`, `sort`.
+> More information: <https://man.freebsd.org/cgi/man.cgi?look>.
+
+- Search for lines beginning with a specific prefix in a specific file:
+
+`look {{prefix}} {{path/to/file}}`
+
+- Case-insensitively search only on alphanumeric characters:
+
+`look -{{f|-ignore-case}} -{{d|-alphanum}} {{prefix}} {{path/to/file}}`
+
+- Specify a string [t]ermination character (space by default):
+
+`look -{{t|-terminate}} {{,}}`
+
+- Search in `/usr/share/dict/words` (`--ignore-case` and `--alphanum` are assumed):
+
+`look {{prefix}}`

freebsd/pkg

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pkg
+
+> FreeBSD package manager.
+> More information: <https://man.freebsd.org/cgi/man.cgi?query=pkg&sektion=8>.
+
+- Install a new package:
+
+`pkg install {{package}}`
+
+- Delete a package:
+
+`pkg delete {{package}}`
+
+- Upgrade all packages:
+
+`pkg upgrade`
+
+- Search for a package:
+
+`pkg search {{keyword}}`
+
+- List installed packages:
+
+`pkg info`
+
+- Remove unneeded dependencies:
+
+`pkg autoremove`

freebsd/sed

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# sed
+
+> Edit text in a scriptable manner.
+> See also: `awk`, `ed`.
+> More information: <https://www.freebsd.org/cgi/man.cgi?sed>.
+
+- Replace all `apple` (basic regex) occurrences with `mango` (basic regex) in all input lines and print the result to `stdout`:
+
+`{{command}} | sed 's/apple/mango/g'`
+
+- Execute a specific script [f]ile and print the result to `stdout`:
+
+`{{command}} | sed -f {{path/to/script.sed}}`
+
+- Delay opening each file until a command containing the related `w` function or flag is applied to a line of input:
+
+`{{command}} | sed -fa {{path/to/script.sed}}`
+
+- Replace all `apple` (extended regex) occurrences with `APPLE` (extended regex) in all input lines and print the result to `stdout`:
+
+`{{command}} | sed -E 's/(apple)/\U\1/g'`
+
+- Print just a first line to `stdout`:
+
+`{{command}} | sed -n '1p'`
+
+- Replace all `apple` (basic regex) occurrences with `mango` (basic regex) in a specific file and overwrite the original file in place:
+
+`sed -i 's/apple/mango/g' {{path/to/file}}`

freebsd/sockstat

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# sockstat
+
+> List open Internet or UNIX domain sockets.
+> More information: <https://man.freebsd.org/cgi/man.cgi?sockstat>.
+
+- View which users/processes are [l]istening on which ports:
+
+`sockstat -l`
+
+- Show information for IPv[4]/IPv[6] sockets [l]istening on specific [p]orts using a specific [P]rotocol:
+
+`sockstat -{{4|6}} -l -P {{tcp|udp|sctp|divert}} -p {{port1,port2...}}`
+
+- Also show [c]onnected sockets, not resolving [n]umeric UIDs to user names and using a [w]ider field size:
+
+`sockstat -cnw`
+
+- Only show sockets that belong to a specific [j]ail ID or name in [v]erbose mode:
+
+`sockstat -jv`
+
+- Display the protocol [s]tate and the remote [U]DP encapsulation port number, if applicable (these are currently only implemented for SCTP and TCP):
+
+`sockstat -sU`
+
+- Display the [C]ongestion control module and the protocol [S]tack, if applicable (these are currently only implemented for TCP):
+
+`sockstat -CS`
+
+- Only show Internet sockets if the local and foreign addresses are not in the loopback network prefix 127.0.0.0/8, or do not contain the IPv6 loopback address ::1:
+
+`sockstat -L`
+
+- Do not show the header ([q]uiet mode), showing [u]nix sockets and displaying the `inp_gencnt`:
+
+`sockstat -qui`

freebsd/ypchfn

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ypchfn
+
+> This command is an alias of `chpass`.
+
+- View documentation for the original command:
+
+`tldr chpass`

freebsd/ypchpass

@@ -0,0 +1,12 @@
+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ypchpass
+
+> This command is an alias of `chpass`.
+
+- View documentation for the original command:
+
+`tldr chpass`

freebsd/ypchsh

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+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ypchsh
+
+> This command is an alias of `chpass`.
+
+- View documentation for the original command:
+
+`tldr chpass`